87940910 has 32 divisors (see below), whose sum is σ = 161598240. Its totient is φ = 34449408.

The previous prime is 87940903. The next prime is 87940921. The reversal of 87940910 is 1904978.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130334 + ... + 131006.

It is an arithmetic number, because the mean of its divisors is an integer number (5049945).

Almost surely, 2^87940910 is an apocalyptic number.

87940910 is a deficient number, since it is larger than the sum of its proper divisors (73657330).

87940910 is a wasteful number, since it uses less digits than its factorization.

87940910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 87940910 is about 9377.6814831812. The cubic root of 87940910 is about 444.6964390164.

The spelling of 87940910 in words is "eighty-seven million, nine hundred forty thousand, nine hundred ten".