87458868 has 36 divisors (see below), whose sum is σ = 252659680. Its totient is φ = 24988176.

The previous prime is 87458837. The next prime is 87458873. The reversal of 87458868 is 86885478.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 173278 + ... + 173781.

Almost surely, 2^87458868 is an apocalyptic number.

It is an amenable number.

87458868 is an abundant number, since it is smaller than the sum of its proper divisors (165200812).

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

87458868 is a wasteful number, since it uses less digits than its factorization.

87458868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347076 (or 347071 counting only the distinct ones).

The product of its digits is 3440640, while the sum is 54.

The square root of 87458868 is about 9351.9446106144. The cubic root of 87458868 is about 443.8824256493.

The spelling of 87458868 in words is "eighty-seven million, four hundred fifty-eight thousand, eight hundred sixty-eight".