88889997 has 16 divisors (see below), whose sum is σ = 135700992. Its totient is φ = 50700720.

The previous prime is 88889939. The next prime is 88890007. The reversal of 88889997 is 79998888.

It is not a de Polignac number, because 88889997 - 2¹⁴ = 88873613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88884997) 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 15 ways as a sum of consecutive naturals, for example, 8722 + ... + 15932.

It is an arithmetic number, because the mean of its divisors is an integer number (8481312).

Almost surely, 2^88889997 is an apocalyptic number.

It is an amenable number.

88889997 is a deficient number, since it is larger than the sum of its proper divisors (46810995).

88889997 is a wasteful number, since it uses less digits than its factorization.

88889997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7808.

The product of its digits is 20901888, while the sum is 66.

The square root of 88889997 is about 9428.1491821036. The cubic root of 88889997 is about 446.2904878956.

The spelling of 88889997 in words is "eighty-eight million, eight hundred eighty-nine thousand, nine hundred ninety-seven".