87918456 has 32 divisors (see below), whose sum is σ = 220521600. Its totient is φ = 29209440.

The previous prime is 87918433. The next prime is 87918463. The reversal of 87918456 is 65481978.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1575 + ... + 13353.

It is an arithmetic number, because the mean of its divisors is an integer number (6891300).

Almost surely, 2^87918456 is an apocalyptic number.

It is an amenable number.

87918456 is an abundant number, since it is smaller than the sum of its proper divisors (132603144).

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

87918456 is a wasteful number, since it uses less digits than its factorization.

87918456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12099 (or 12095 counting only the distinct ones).

The product of its digits is 483840, while the sum is 48.

The square root of 87918456 is about 9376.4842025143. The cubic root of 87918456 is about 444.6585876008.

The spelling of 87918456 in words is "eighty-seven million, nine hundred eighteen thousand, four hundred fifty-six".