87623136704 has 56 divisors (see below), whose sum is σ = 176855646288. Its totient is φ = 43062128640.

The previous prime is 87623136661. The next prime is 87623136761. The reversal of 87623136704 is 40763132678.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5938424 + ... + 5953160.

Almost surely, 2^87623136704 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 87623136704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88427823144).

87623136704 is an abundant number, since it is smaller than the sum of its proper divisors (89232509584).

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

87623136704 is a wasteful number, since it uses less digits than its factorization.

87623136704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16333 (or 16323 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 47.

The spelling of 87623136704 in words is "eighty-seven billion, six hundred twenty-three million, one hundred thirty-six thousand, seven hundred four".