88689231 has 12 divisors (see below), whose sum is σ = 128189880. Its totient is φ = 59087760.

The previous prime is 88689229. The next prime is 88689239. The reversal of 88689231 is 13298688.

It is not a de Polignac number, because 88689231 - 2¹ = 88689229 is a prime.

It is a super-2 number, since 2×88689231² = 15731559390742722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88689239) 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 11 ways as a sum of consecutive naturals, for example, 21301 + ... + 25121.

It is an arithmetic number, because the mean of its divisors is an integer number (10682490).

Almost surely, 2^88689231 is an apocalyptic number.

88689231 is a deficient number, since it is larger than the sum of its proper divisors (39500649).

88689231 is a wasteful number, since it uses less digits than its factorization.

88689231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6406 (or 6403 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 88689231 is about 9417.4960047775. The cubic root of 88689231 is about 445.9542389723.

The spelling of 88689231 in words is "eighty-eight million, six hundred eighty-nine thousand, two hundred thirty-one".