88631618 has 16 divisors (see below), whose sum is σ = 140253120. Its totient is φ = 41890896.

The previous prime is 88631617. The next prime is 88631623. The reversal of 88631618 is 81613688.

It is not an unprimeable number, because it can be changed into a prime (88631611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16796 + ... + 21432.

It is an arithmetic number, because the mean of its divisors is an integer number (8765820).

Almost surely, 2^88631618 is an apocalyptic number.

88631618 is a deficient number, since it is larger than the sum of its proper divisors (51621502).

88631618 is a wasteful number, since it uses less digits than its factorization.

88631618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5161.

The product of its digits is 55296, while the sum is 41.

The square root of 88631618 is about 9414.4366799082. The cubic root of 88631618 is about 445.8576533001.

The spelling of 88631618 in words is "eighty-eight million, six hundred thirty-one thousand, six hundred eighteen".