88631816 has 64 divisors (see below), whose sum is σ = 205860480. Its totient is φ = 34836480.

The previous prime is 88631813. The next prime is 88631833. The reversal of 88631816 is 61813688.

It is not an unprimeable number, because it can be changed into a prime (88631813) 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, 153320 + ... + 153896.

It is an arithmetic number, because the mean of its divisors is an integer number (3216570).

Almost surely, 2^88631816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88631816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102930240).

88631816 is an abundant number, since it is smaller than the sum of its proper divisors (117228664).

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

88631816 is a wasteful number, since it uses less digits than its factorization.

88631816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814 (or 810 counting only the distinct ones).

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

The square root of 88631816 is about 9414.4471956669. The cubic root of 88631816 is about 445.8579853101.

The spelling of 88631816 in words is "eighty-eight million, six hundred thirty-one thousand, eight hundred sixteen".