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86013877 = 97886741
BaseRepresentation
bin1010010000001…
…11011110110101
312222211221212011
411020013132311
5134004421002
612311324221
72063051215
oct510073665
9188757764
1086013877
1144609554
1224980671
1314a877b1
14b5d0245
1578408d7
hex52077b5

86013877 has 4 divisors (see below), whose sum is σ = 86900716. Its totient is φ = 85127040.

The previous prime is 86013869. The next prime is 86013881. The reversal of 86013877 is 77831068.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31460881 + 54552996 = 5609^2 + 7386^2 .

It is a cyclic number.

It is not a de Polignac number, because 86013877 - 23 = 86013869 is a prime.

It is a super-2 number, since 2×860138772 = 14796774073142258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86013827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443274 + ... + 443467.

It is an arithmetic number, because the mean of its divisors is an integer number (21725179).

Almost surely, 286013877 is an apocalyptic number.

It is an amenable number.

86013877 is a deficient number, since it is larger than the sum of its proper divisors (886839).

86013877 is an equidigital number, since it uses as much as digits as its factorization.

86013877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886838.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 86013877 is about 9274.3666630126. The cubic root of 86013877 is about 441.4242364971.

The spelling of 86013877 in words is "eighty-six million, thirteen thousand, eight hundred seventy-seven".

Divisors: 1 97 886741 86013877