87215447747418 has 8 divisors (see below), whose sum is σ = 174430895494848. Its totient is φ = 29071815915804.

The previous prime is 87215447747387. The next prime is 87215447747423. The reversal of 87215447747418 is 81474774451278.

It is a sphenic number, since it is the product of 3 distinct primes.

87215447747418 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7267953978946 + ... + 7267953978957.

It is an arithmetic number, because the mean of its divisors is an integer number (21803861936856).

Almost surely, 2^{87215447747418} is an apocalyptic number.

87215447747418 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

87215447747418 is a wasteful number, since it uses less digits than its factorization.

87215447747418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14535907957908.

The product of its digits is 393379840, while the sum is 69.

The spelling of 87215447747418 in words is "eighty-seven trillion, two hundred fifteen billion, four hundred forty-seven million, seven hundred forty-seven thousand, four hundred eighteen".