87913960957 has 8 divisors (see below), whose sum is σ = 90109543392. Its totient is φ = 85744362000.

The previous prime is 87913960819. The next prime is 87913960961. The reversal of 87913960957 is 75906931978.

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 87913960957 - 2²⁷ = 87779743229 is a prime.

It is a super-2 number, since 2×87913960957² (a number of 23 digits) 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 (87913960657) 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 7 ways as a sum of consecutive naturals, for example, 6489019 + ... + 6502552.

It is an arithmetic number, because the mean of its divisors is an integer number (11263692924).

Almost surely, 2^87913960957 is an apocalyptic number.

It is an amenable number.

87913960957 is a deficient number, since it is larger than the sum of its proper divisors (2195582435).

87913960957 is a wasteful number, since it uses less digits than its factorization.

87913960957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12991739.

The product of its (nonzero) digits is 25719120, while the sum is 64.

The spelling of 87913960957 in words is "eighty-seven billion, nine hundred thirteen million, nine hundred sixty thousand, nine hundred fifty-seven".