89920808 has 16 divisors (see below), whose sum is σ = 169677780. Its totient is φ = 44673408.

The previous prime is 89920799. The next prime is 89920813. The reversal of 89920808 is 80802998.

It can be written as a sum of positive squares in 2 ways, for example, as 88021924 + 1898884 = 9382^2 + 1378^2 .

It is a super-2 number, since 2×89920808² = 16171503422745728, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34541 + ... + 37052.

Almost surely, 2^89920808 is an apocalyptic number.

It is an amenable number.

89920808 is a deficient number, since it is larger than the sum of its proper divisors (79756972).

89920808 is a wasteful number, since it uses less digits than its factorization.

89920808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71756 (or 71752 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 44.

The square root of 89920808 is about 9482.6582770867. The cubic root of 89920808 is about 448.0089948237.

The spelling of 89920808 in words is "eighty-nine million, nine hundred twenty thousand, eight hundred eight".