87959878 has 32 divisors (see below), whose sum is σ = 139629024. Its totient is φ = 41513472.

The previous prime is 87959869. The next prime is 87959881. The reversal of 87959878 is 87895978.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 560176 + ... + 560332.

It is an arithmetic number, because the mean of its divisors is an integer number (4363407).

Almost surely, 2^87959878 is an apocalyptic number.

87959878 is a deficient number, since it is larger than the sum of its proper divisors (51669146).

87959878 is a wasteful number, since it uses less digits than its factorization.

87959878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376.

The product of its digits is 10160640, while the sum is 61.

The square root of 87959878 is about 9378.6927660522. The cubic root of 87959878 is about 444.7284089520.

The spelling of 87959878 in words is "eighty-seven million, nine hundred fifty-nine thousand, eight hundred seventy-eight".