87996400672 has 24 divisors (see below), whose sum is σ = 180775215936. Its totient is φ = 42085234752.

The previous prime is 87996400669. The next prime is 87996400699. The reversal of 87996400672 is 27600469978.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59779428 + ... + 59780899.

It is an arithmetic number, because the mean of its divisors is an integer number (7532300664).

Almost surely, 2^87996400672 is an apocalyptic number.

It is an amenable number.

87996400672 is an abundant number, since it is smaller than the sum of its proper divisors (92778815264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87996400672 is a wasteful number, since it uses less digits than its factorization.

87996400672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119560360 (or 119560352 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 58.

The spelling of 87996400672 in words is "eighty-seven billion, nine hundred ninety-six million, four hundred thousand, six hundred seventy-two".