90793888 has 12 divisors (see below), whose sum is σ = 178750530. Its totient is φ = 45396928.

The previous prime is 90793853. The next prime is 90793907. The reversal of 90793888 is 88839709.

It can be written as a sum of positive squares in only one way, i.e., 54937744 + 35856144 = 7412^2 + 5988^2 .

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 as a sum of consecutive naturals, namely, 1418623 + ... + 1418686.

Almost surely, 2^90793888 is an apocalyptic number.

It is an amenable number.

90793888 is a deficient number, since it is larger than the sum of its proper divisors (87956642).

90793888 is a wasteful number, since it uses less digits than its factorization.

90793888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2837319 (or 2837311 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 52.

The square root of 90793888 is about 9528.5826857933. The cubic root of 90793888 is about 449.4542981817.

The spelling of 90793888 in words is "ninety million, seven hundred ninety-three thousand, eight hundred eighty-eight".