87701637604 has 96 divisors (see below), whose sum is σ = 184480192512. Its totient is φ = 35690112000.

The previous prime is 87701637601. The next prime is 87701637607. The reversal of 87701637604 is 40673610778.

It is an interprime number because it is at equal distance from previous prime (87701637601) and next prime (87701637607).

It is not an unprimeable number, because it can be changed into a prime (87701637601) 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 31 ways as a sum of consecutive naturals, for example, 24407232 + ... + 24410824.

It is an arithmetic number, because the mean of its divisors is an integer number (1921668672).

Almost surely, 2^87701637604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87701637604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92240096256).

87701637604 is an abundant number, since it is smaller than the sum of its proper divisors (96778554908).

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

87701637604 is a wasteful number, since it uses less digits than its factorization.

87701637604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4157 (or 4155 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 49.

The spelling of 87701637604 in words is "eighty-seven billion, seven hundred one million, six hundred thirty-seven thousand, six hundred four".