87877512 has 48 divisors (see below), whose sum is σ = 238483440. Its totient is φ = 29233248.

The previous prime is 87877499. The next prime is 87877513. The reversal of 87877512 is 21577878.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (87877513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48283 + ... + 50069.

It is an arithmetic number, because the mean of its divisors is an integer number (4968405).

Almost surely, 2^87877512 is an apocalyptic number.

It is an amenable number.

87877512 is an abundant number, since it is smaller than the sum of its proper divisors (150605928).

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

87877512 is a wasteful number, since it uses less digits than its factorization.

87877512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2482 (or 2475 counting only the distinct ones).

The product of its digits is 219520, while the sum is 45.

The square root of 87877512 is about 9374.3006139125. The cubic root of 87877512 is about 444.5895504157.

The spelling of 87877512 in words is "eighty-seven million, eight hundred seventy-seven thousand, five hundred twelve".