87997888704 has 224 divisors, whose sum is σ = 261808081920. Its totient is φ = 25854796800.

The previous prime is 87997888633. The next prime is 87997888709. The reversal of 87997888704 is 40788879978.

It is not an unprimeable number, because it can be changed into a prime (87997888709) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12619939 + ... + 12626909.

It is an arithmetic number, because the mean of its divisors is an integer number (1168786080).

Almost surely, 2^87997888704 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 87997888704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130904040960).

87997888704 is an abundant number, since it is smaller than the sum of its proper divisors (173810193216).

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

87997888704 is a wasteful number, since it uses less digits than its factorization.

87997888704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7179 (or 7169 counting only the distinct ones).

The product of its (nonzero) digits is 455196672, while the sum is 75.

The spelling of 87997888704 in words is "eighty-seven billion, nine hundred ninety-seven million, eight hundred eighty-eight thousand, seven hundred four".