90022393937 has 8 divisors (see below), whose sum is σ = 104982384000. Its totient is φ = 77162051652.

The previous prime is 90022393919. The next prime is 90022393939. The reversal of 90022393937 is 73939322009.

It is not a de Polignac number, because 90022393937 - 2²⁰ = 90021345361 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90022393891 and 90022393900.

It is not an unprimeable number, because it can be changed into a prime (90022393939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131227637 + ... + 131228322.

It is an arithmetic number, because the mean of its divisors is an integer number (13122798000).

Almost surely, 2^90022393937 is an apocalyptic number.

It is an amenable number.

90022393937 is a deficient number, since it is larger than the sum of its proper divisors (14959990063).

90022393937 is an equidigital number, since it uses as much as digits as its factorization.

90022393937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262455980 (or 262455966 counting only the distinct ones).

The product of its (nonzero) digits is 551124, while the sum is 47.

The spelling of 90022393937 in words is "ninety billion, twenty-two million, three hundred ninety-three thousand, nine hundred thirty-seven".