87500680588128 has 48 divisors (see below), whose sum is σ = 229716080876016. Its totient is φ = 29163491074560.

The previous prime is 87500680588081. The next prime is 87500680588129. The reversal of 87500680588128 is 82188508600578.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87500680588129) 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, 52336063 + ... + 53982078.

It is an arithmetic number, because the mean of its divisors is an integer number (4785751684917).

Almost surely, 2^{87500680588128} is an apocalyptic number.

It is an amenable number.

87500680588128 is an abundant number, since it is smaller than the sum of its proper divisors (142215400287888).

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

87500680588128 is a wasteful number, since it uses less digits than its factorization.

87500680588128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106326727 (or 106326719 counting only the distinct ones).

The product of its (nonzero) digits is 68812800, while the sum is 66.

The spelling of 87500680588128 in words is "eighty-seven trillion, five hundred billion, six hundred eighty million, five hundred eighty-eight thousand, one hundred twenty-eight".