87500776964 has 24 divisors (see below), whose sum is σ = 153824832000. Its totient is φ = 43551280640.

The previous prime is 87500776963. The next prime is 87500777047. The reversal of 87500776964 is 46967700578.

It is not an unprimeable number, because it can be changed into a prime (87500776963) 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, 717557 + ... + 830595.

It is an arithmetic number, because the mean of its divisors is an integer number (6409368000).

Almost surely, 2^87500776964 is an apocalyptic number.

It is an amenable number.

87500776964 is a deficient number, since it is larger than the sum of its proper divisors (66324055036).

87500776964 is a wasteful number, since it uses less digits than its factorization.

87500776964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113923 (or 113921 counting only the distinct ones).

The product of its (nonzero) digits is 17781120, while the sum is 59.

The spelling of 87500776964 in words is "eighty-seven billion, five hundred million, seven hundred seventy-six thousand, nine hundred sixty-four".