87637701320 has 192 divisors, whose sum is σ = 223412256000. Its totient is φ = 30867133440.

The previous prime is 87637701301. The next prime is 87637701373. The reversal of 87637701320 is 2310773678.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 93132050 + ... + 93132990.

It is an arithmetic number, because the mean of its divisors is an integer number (1163605500).

Almost surely, 2^87637701320 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 87637701320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111706128000).

87637701320 is an abundant number, since it is smaller than the sum of its proper divisors (135774554680).

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

87637701320 is a wasteful number, since it uses less digits than its factorization.

87637701320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600 (or 1583 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 44.

The spelling of 87637701320 in words is "eighty-seven billion, six hundred thirty-seven million, seven hundred one thousand, three hundred twenty".