87604139376 has 120 divisors (see below), whose sum is σ = 264136323360. Its totient is φ = 26944178688.

The previous prime is 87604139369. The next prime is 87604139419. The reversal of 87604139376 is 67393140678.

87604139376 is a `hidden beast` number, since 8 + 76 + 0 + 413 + 93 + 76 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5437605 + ... + 5453691.

It is an arithmetic number, because the mean of its divisors is an integer number (2201136028).

Almost surely, 2^87604139376 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 87604139376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132068161680).

87604139376 is an abundant number, since it is smaller than the sum of its proper divisors (176532183984).

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

87604139376 is a wasteful number, since it uses less digits than its factorization.

87604139376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19023 (or 19014 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The spelling of 87604139376 in words is "eighty-seven billion, six hundred four million, one hundred thirty-nine thousand, three hundred seventy-six".