87456984 has 32 divisors (see below), whose sum is σ = 219406320. Its totient is φ = 29050496.

The previous prime is 87456979. The next prime is 87457001. The reversal of 87456984 is 48965478.

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, 814 + ... + 13250.

Almost surely, 2^87456984 is an apocalyptic number.

It is an amenable number.

87456984 is an abundant number, since it is smaller than the sum of its proper divisors (131949336).

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

87456984 is a wasteful number, since it uses less digits than its factorization.

87456984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12739 (or 12735 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 51.

The square root of 87456984 is about 9351.8438823582. The cubic root of 87456984 is about 443.8792383206.

The spelling of 87456984 in words is "eighty-seven million, four hundred fifty-six thousand, nine hundred eighty-four".