89879976 has 64 divisors (see below), whose sum is σ = 255499200. Its totient is φ = 29260224.

The previous prime is 89879971. The next prime is 89879989. The reversal of 89879976 is 67997898.

It is not an unprimeable number, because it can be changed into a prime (89879971) 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, 4450 + ... + 14126.

It is an arithmetic number, because the mean of its divisors is an integer number (3992175).

Almost surely, 2^89879976 is an apocalyptic number.

89879976 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89879976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127749600).

89879976 is an abundant number, since it is smaller than the sum of its proper divisors (165619224).

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

89879976 is a wasteful number, since it uses less digits than its factorization.

89879976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9735 (or 9725 counting only the distinct ones).

The product of its digits is 13716864, while the sum is 63.

The square root of 89879976 is about 9480.5050498378. The cubic root of 89879976 is about 447.9411726541.

The spelling of 89879976 in words is "eighty-nine million, eight hundred seventy-nine thousand, nine hundred seventy-six".