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86899375369 = 2947872
BaseRepresentation
bin101000011101110011…
…0110011110100001001
322022022011111122202001
41100323212303310021
52410432220002434
6103530535111001
76164306334412
oct1207346636411
9268264448661
1086899375369
11339434829a4
1214a12512461
13826b638b51
1442c51c0809
1523d905d114
hex143b9b3d09

86899375369 has 3 divisors (see below), whose sum is σ = 86899670157. Its totient is φ = 86899080582.

The previous prime is 86899375363. The next prime is 86899375393. The reversal of 86899375369 is 96357399868.

The square root of 86899375369 is 294787.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 86899375369 - 29 = 86899374857 is a prime.

It is a super-2 number, since 2×868993753692 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86899375363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 147394 + ... + 442180.

It is an arithmetic number, because the mean of its divisors is an integer number (28966556719).

Almost surely, 286899375369 is an apocalyptic number.

86899375369 is the 294787-th square number.

86899375369 is the 147394-th centered octagonal number.

It is an amenable number.

86899375369 is a deficient number, since it is larger than the sum of its proper divisors (294788).

86899375369 is an frugal number, since it uses more digits than its factorization.

86899375369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589574 (or 294787 counting only the distinct ones).

The product of its digits is 529079040, while the sum is 73.

The spelling of 86899375369 in words is "eighty-six billion, eight hundred ninety-nine million, three hundred seventy-five thousand, three hundred sixty-nine".

Divisors: 1 294787 86899375369