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87695876376913 = 727745227373067
BaseRepresentation
bin10011111100001001001001…
…100011110100100101010001
3102111111122101101222122022011
4103330021021203310211101
542443302123323030123
6510302532431542521
724320550366026410
oct2374111143644521
9374448341878264
1087695876376913
1125a40680a96012
129a0406b68aa41
1339c18bb510ccc
14179270859b477
15a2128719ae0d
hex4fc2498f4951

87695876376913 has 8 divisors (see below), whose sum is σ = 100585677703232. Its totient is φ = 74896529797296.

The previous prime is 87695876376881. The next prime is 87695876376917. The reversal of 87695876376913 is 31967367859678.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87695876376913 - 25 = 87695876376881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87695876376917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22613684595 + ... + 22613688472.

It is an arithmetic number, because the mean of its divisors is an integer number (12573209712904).

Almost surely, 287695876376913 is an apocalyptic number.

It is an amenable number.

87695876376913 is a deficient number, since it is larger than the sum of its proper divisors (12889801326319).

87695876376913 is a wasteful number, since it uses less digits than its factorization.

87695876376913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45227373351.

The product of its digits is 17283248640, while the sum is 85.

The spelling of 87695876376913 in words is "eighty-seven trillion, six hundred ninety-five billion, eight hundred seventy-six million, three hundred seventy-six thousand, nine hundred thirteen".

Divisors: 1 7 277 1939 45227373067 316591611469 12527982339559 87695876376913