87388888 has 8 divisors (see below), whose sum is σ = 163854180. Its totient is φ = 43694440.

The previous prime is 87388877. The next prime is 87388909. The reversal of 87388888 is 88888378.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5461798 + ... + 5461813.

Almost surely, 2^87388888 is an apocalyptic number.

It is an amenable number.

87388888 is a deficient number, since it is larger than the sum of its proper divisors (76465292).

87388888 is a wasteful number, since it uses less digits than its factorization.

87388888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10923617 (or 10923613 counting only the distinct ones).

The product of its digits is 5505024, while the sum is 58.

The square root of 87388888 is about 9348.2023940435. The cubic root of 87388888 is about 443.7640035784.

The spelling of 87388888 in words is "eighty-seven million, three hundred eighty-eight thousand, eight hundred eighty-eight".