88979820 has 96 divisors (see below), whose sum is σ = 258552000. Its totient is φ = 22846464.

The previous prime is 88979777. The next prime is 88979837. The reversal of 88979820 is 2897988.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 330646 + ... + 330914.

It is an arithmetic number, because the mean of its divisors is an integer number (2693250).

Almost surely, 2^88979820 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 88979820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129276000).

88979820 is an abundant number, since it is smaller than the sum of its proper divisors (169572180).

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

88979820 is a wasteful number, since it uses less digits than its factorization.

88979820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 51.

The square root of 88979820 is about 9432.9115335616. The cubic root of 88979820 is about 446.4407622301.

The spelling of 88979820 in words is "eighty-eight million, nine hundred seventy-nine thousand, eight hundred twenty".