87948388 has 12 divisors (see below), whose sum is σ = 167901552. Its totient is φ = 39976520.

The previous prime is 87948353. The next prime is 87948451. The reversal of 87948388 is 88384978.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 999370 + ... + 999457.

It is an arithmetic number, because the mean of its divisors is an integer number (13991796).

Almost surely, 2^87948388 is an apocalyptic number.

It is an amenable number.

87948388 is a deficient number, since it is larger than the sum of its proper divisors (79953164).

87948388 is a wasteful number, since it uses less digits than its factorization.

87948388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998842 (or 1998840 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 55.

The square root of 87948388 is about 9378.0801873305. The cubic root of 87948388 is about 444.7090434866.

The spelling of 87948388 in words is "eighty-seven million, nine hundred forty-eight thousand, three hundred eighty-eight".