87974718 has 16 divisors (see below), whose sum is σ = 189484176. Its totient is φ = 27069120.

The previous prime is 87974713. The next prime is 87974729. The reversal of 87974718 is 81747978.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87974713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 563863 + ... + 564018.

It is an arithmetic number, because the mean of its divisors is an integer number (11842761).

Almost surely, 2^87974718 is an apocalyptic number.

87974718 is an abundant number, since it is smaller than the sum of its proper divisors (101509458).

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

87974718 is a wasteful number, since it uses less digits than its factorization.

87974718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127899.

The product of its digits is 790272, while the sum is 51.

The square root of 87974718 is about 9379.4838877200. The cubic root of 87974718 is about 444.7534180759.

The spelling of 87974718 in words is "eighty-seven million, nine hundred seventy-four thousand, seven hundred eighteen".