87708144 has 20 divisors (see below), whose sum is σ = 226579496. Its totient is φ = 29236032.

The previous prime is 87708139. The next prime is 87708169. The reversal of 87708144 is 44180778.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

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 3 ways as a sum of consecutive naturals, for example, 913579 + ... + 913674.

Almost surely, 2^87708144 is an apocalyptic number.

It is an amenable number.

87708144 is an abundant number, since it is smaller than the sum of its proper divisors (138871352).

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

87708144 is a wasteful number, since it uses less digits than its factorization.

87708144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1827264 (or 1827258 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 39.

The square root of 87708144 is about 9365.2626231195. The cubic root of 87708144 is about 444.3037447591.

The spelling of 87708144 in words is "eighty-seven million, seven hundred eight thousand, one hundred forty-four".