87868902 has 16 divisors (see below), whose sum is σ = 191714112. Its totient is φ = 26626920.

The previous prime is 87868883. The next prime is 87868919. The reversal of 87868902 is 20986878.

It is a happy number.

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, 665608 + ... + 665739.

It is an arithmetic number, because the mean of its divisors is an integer number (11982132).

Almost surely, 2^87868902 is an apocalyptic number.

87868902 is an abundant number, since it is smaller than the sum of its proper divisors (103845210).

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

87868902 is a wasteful number, since it uses less digits than its factorization.

87868902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331363.

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 87868902 is about 9373.8413684039. The cubic root of 87868902 is about 444.5750300492.

The spelling of 87868902 in words is "eighty-seven million, eight hundred sixty-eight thousand, nine hundred two".