87388868 has 24 divisors (see below), whose sum is σ = 182378112. Its totient is φ = 35823744.

The previous prime is 87388867. The next prime is 87388877. The reversal of 87388868 is 86888378.

It is not an unprimeable number, because it can be changed into a prime (87388867) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 67205 + ... + 68492.

It is an arithmetic number, because the mean of its divisors is an integer number (7599088).

Almost surely, 2^87388868 is an apocalyptic number.

It is an amenable number.

87388868 is an abundant number, since it is smaller than the sum of its proper divisors (94989244).

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

87388868 is a wasteful number, since it uses less digits than its factorization.

87388868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135731 (or 135729 counting only the distinct ones).

The product of its digits is 4128768, while the sum is 56.

The square root of 87388868 is about 9348.2013243190. The cubic root of 87388868 is about 443.7639697249.

The spelling of 87388868 in words is "eighty-seven million, three hundred eighty-eight thousand, eight hundred sixty-eight".