88942889 has 12 divisors (see below), whose sum is σ = 104536404. Its totient is φ = 75446784.

The previous prime is 88942879. The next prime is 88942891. The reversal of 88942889 is 98824988.

It can be written as a sum of positive squares in 2 ways, for example, as 55995289 + 32947600 = 7483^2 + 5740^2 .

It is not a de Polignac number, because 88942889 - 2⁴ = 88942873 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (88942849) 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, 4604 + ... + 14109.

It is an arithmetic number, because the mean of its divisors is an integer number (8711367).

Almost surely, 2^88942889 is an apocalyptic number.

It is an amenable number.

88942889 is a deficient number, since it is larger than the sum of its proper divisors (15593515).

88942889 is a wasteful number, since it uses less digits than its factorization.

88942889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18824 (or 18817 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 56.

The square root of 88942889 is about 9430.9537693703. The cubic root of 88942889 is about 446.3789887278.

The spelling of 88942889 in words is "eighty-eight million, nine hundred forty-two thousand, eight hundred eighty-nine".