87215015008 has 72 divisors (see below), whose sum is σ = 193336710840. Its totient is φ = 38676211200.

The previous prime is 87215014973. The next prime is 87215015029. The reversal of 87215015008 is 80051051278.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115938 + ... + 433441.

It is an arithmetic number, because the mean of its divisors is an integer number (2685232095).

Almost surely, 2^87215015008 is an apocalyptic number.

87215015008 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

87215015008 is an abundant number, since it is smaller than the sum of its proper divisors (106121695832).

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

87215015008 is a wasteful number, since it uses less digits than its factorization.

87215015008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549452 (or 549433 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 37.

The spelling of 87215015008 in words is "eighty-seven billion, two hundred fifteen million, fifteen thousand, eight".