87944838808318 has 32 divisors (see below), whose sum is σ = 139895210314656. Its totient is φ = 41321202582528.

The previous prime is 87944838808303. The next prime is 87944838808331. The reversal of 87944838808318 is 81380883844978.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127081105 + ... + 127771267.

It is an arithmetic number, because the mean of its divisors is an integer number (4371725322333).

Almost surely, 2^{87944838808318} is an apocalyptic number.

87944838808318 is a deficient number, since it is larger than the sum of its proper divisors (51950371506338).

87944838808318 is a wasteful number, since it uses less digits than its factorization.

87944838808318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696028.

The product of its (nonzero) digits is 2378170368, while the sum is 79.

The spelling of 87944838808318 in words is "eighty-seven trillion, nine hundred forty-four billion, eight hundred thirty-eight million, eight hundred eight thousand, three hundred eighteen".