88805820 has 48 divisors (see below), whose sum is σ = 252379008. Its totient is φ = 23327040.

The previous prime is 88805819. The next prime is 88805831. The reversal of 88805820 is 2850888.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7026 + ... + 15065.

It is an arithmetic number, because the mean of its divisors is an integer number (5257896).

Almost surely, 2^88805820 is an apocalyptic number.

It is an amenable number.

88805820 is an abundant number, since it is smaller than the sum of its proper divisors (163573188).

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

88805820 is a wasteful number, since it uses less digits than its factorization.

88805820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22170 (or 22168 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 39.

The square root of 88805820 is about 9423.6839930040. The cubic root of 88805820 is about 446.1495674305.

The spelling of 88805820 in words is "eighty-eight million, eight hundred five thousand, eight hundred twenty".