90663289232 has 10 divisors (see below), whose sum is σ = 175660122918. Its totient is φ = 45331644608.

The previous prime is 90663289201. The next prime is 90663289279. The reversal of 90663289232 is 23298236609.

It can be written as a sum of positive squares in only one way, i.e., 76151713936 + 14511575296 = 275956^2 + 120464^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2833227773 + ... + 2833227804.

Almost surely, 2^90663289232 is an apocalyptic number.

It is an amenable number.

90663289232 is a deficient number, since it is larger than the sum of its proper divisors (84996833686).

90663289232 is a wasteful number, since it uses less digits than its factorization.

90663289232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5666455585 (or 5666455579 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 50.

The spelling of 90663289232 in words is "ninety billion, six hundred sixty-three million, two hundred eighty-nine thousand, two hundred thirty-two".