87438888 has 48 divisors (see below), whose sum is σ = 250747380. Its totient is φ = 27431424.

The previous prime is 87438887. The next prime is 87438913. The reversal of 87438888 is 88883478.

It can be written as a sum of positive squares in 2 ways, for example, as 80245764 + 7193124 = 8958^2 + 2682^2 .

It is not an unprimeable number, because it can be changed into a prime (87438887) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34495 + ... + 36942.

Almost surely, 2^87438888 is an apocalyptic number.

It is an amenable number.

87438888 is an abundant number, since it is smaller than the sum of its proper divisors (163308492).

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

87438888 is a wasteful number, since it uses less digits than its factorization.

87438888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71466 (or 71459 counting only the distinct ones).

The product of its digits is 2752512, while the sum is 54.

The square root of 87438888 is about 9350.8763225700. The cubic root of 87438888 is about 443.8486213917.

The spelling of 87438888 in words is "eighty-seven million, four hundred thirty-eight thousand, eight hundred eighty-eight".