90517753937 has 32 divisors (see below), whose sum is σ = 108813341952. Its totient is φ = 74444857344.

The previous prime is 90517753933. The next prime is 90517753943. The reversal of 90517753937 is 73935771509.

It is not a de Polignac number, because 90517753937 - 2² = 90517753933 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90517753933) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 401258 + ... + 584844.

It is an arithmetic number, because the mean of its divisors is an integer number (3400416936).

Almost surely, 2^90517753937 is an apocalyptic number.

90517753937 is a gapful number since it is divisible by the number (97) formed by its first and last digit.

It is an amenable number.

90517753937 is a deficient number, since it is larger than the sum of its proper divisors (18295588015).

90517753937 is a wasteful number, since it uses less digits than its factorization.

90517753937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183737.

The product of its (nonzero) digits is 6251175, while the sum is 56.

The spelling of 90517753937 in words is "ninety billion, five hundred seventeen million, seven hundred fifty-three thousand, nine hundred thirty-seven".