88989136 has 10 divisors (see below), whose sum is σ = 172416482. Its totient is φ = 44494560.

The previous prime is 88989133. The next prime is 88989137. The reversal of 88989136 is 63198988.

It can be written as a sum of positive squares in only one way, i.e., 76457536 + 12531600 = 8744^2 + 3540^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88989133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2780895 + ... + 2780926.

Almost surely, 2^88989136 is an apocalyptic number.

It is an amenable number.

88989136 is a deficient number, since it is larger than the sum of its proper divisors (83427346).

88989136 is a wasteful number, since it uses less digits than its factorization.

88989136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5561829 (or 5561823 counting only the distinct ones).

The product of its digits is 746496, while the sum is 52.

The square root of 88989136 is about 9433.4053236358. The cubic root of 88989136 is about 446.4563421560.

The spelling of 88989136 in words is "eighty-eight million, nine hundred eighty-nine thousand, one hundred thirty-six".