88638529 has 16 divisors (see below), whose sum is σ = 105264000. Its totient is φ = 73027584.

The previous prime is 88638497. The next prime is 88638533. The reversal of 88638529 is 92583688.

It is not a de Polignac number, because 88638529 - 2⁵ = 88638497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88638829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51322 + ... + 53020.

It is an arithmetic number, because the mean of its divisors is an integer number (6579000).

Almost surely, 2^88638529 is an apocalyptic number.

It is an amenable number.

88638529 is a deficient number, since it is larger than the sum of its proper divisors (16625471).

88638529 is a wasteful number, since it uses less digits than its factorization.

88638529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1992.

The product of its digits is 829440, while the sum is 49.

The square root of 88638529 is about 9414.8037154260. The cubic root of 88638529 is about 445.8692414979.

The spelling of 88638529 in words is "eighty-eight million, six hundred thirty-eight thousand, five hundred twenty-nine".