87677904 has 40 divisors (see below), whose sum is σ = 234315360. Its totient is φ = 28217728.

The previous prime is 87677897. The next prime is 87677911. The reversal of 87677904 is 40977678.

It is an interprime number because it is at equal distance from previous prime (87677897) and next prime (87677911).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 30102 + ... + 32885.

It is an arithmetic number, because the mean of its divisors is an integer number (5857884).

Almost surely, 2^87677904 is an apocalyptic number.

It is an amenable number.

87677904 is an abundant number, since it is smaller than the sum of its proper divisors (146637456).

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

87677904 is a wasteful number, since it uses less digits than its factorization.

87677904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63027 (or 63021 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 48.

The square root of 87677904 is about 9363.6480070537. The cubic root of 87677904 is about 444.2526765646.

The spelling of 87677904 in words is "eighty-seven million, six hundred seventy-seven thousand, nine hundred four".