88971918 has 32 divisors (see below), whose sum is σ = 204725760. Its totient is φ = 25250400.

The previous prime is 88971917. The next prime is 88971919. The reversal of 88971918 is 81917988.

It is an interprime number because it is at equal distance from previous prime (88971917) and next prime (88971919).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88971917) 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, 673 + ... + 13356.

It is an arithmetic number, because the mean of its divisors is an integer number (6397680).

Almost surely, 2^88971918 is an apocalyptic number.

88971918 is an abundant number, since it is smaller than the sum of its proper divisors (115753842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

88971918 is a wasteful number, since it uses less digits than its factorization.

88971918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14192.

The product of its digits is 290304, while the sum is 51.

The square root of 88971918 is about 9432.4926716113. The cubic root of 88971918 is about 446.4275462023.

The spelling of 88971918 in words is "eighty-eight million, nine hundred seventy-one thousand, nine hundred eighteen".