87056862915 has 32 divisors (see below), whose sum is σ = 151973367552. Its totient is φ = 42203952000.

The previous prime is 87056862899. The next prime is 87056862941. The reversal of 87056862915 is 51926865078.

It is a Cunningham number, because it is equal to 295054²-1.

It is not a de Polignac number, because 87056862915 - 2⁴ = 87056862899 is a prime.

It is a super-2 number, since 2×87056862915² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1445760 + ... + 1504770.

It is an arithmetic number, because the mean of its divisors is an integer number (4749167736).

Almost surely, 2^87056862915 is an apocalyptic number.

87056862915 is a deficient number, since it is larger than the sum of its proper divisors (64916504637).

87056862915 is a wasteful number, since it uses less digits than its factorization.

87056862915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67971.

The product of its (nonzero) digits is 7257600, while the sum is 57.

The spelling of 87056862915 in words is "eighty-seven billion, fifty-six million, eight hundred sixty-two thousand, nine hundred fifteen".