90317994292 has 12 divisors (see below), whose sum is σ = 158107845280. Its totient is φ = 45144324216.

The previous prime is 90317994289. The next prime is 90317994311. The reversal of 90317994292 is 29249971309.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct 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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3654378 + ... + 3679009.

Almost surely, 2^90317994292 is an apocalyptic number.

It is an amenable number.

90317994292 is a deficient number, since it is larger than the sum of its proper divisors (67789850988).

90317994292 is a wasteful number, since it uses less digits than its factorization.

90317994292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7336470 (or 7336468 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 55.

The spelling of 90317994292 in words is "ninety billion, three hundred seventeen million, nine hundred ninety-four thousand, two hundred ninety-two".