90933722475 has 48 divisors (see below), whose sum is σ = 154901892192. Its totient is φ = 47036021760.

The previous prime is 90933722459. The next prime is 90933722479. The reversal of 90933722475 is 57422733909.

It is not a de Polignac number, because 90933722475 - 2⁴ = 90933722459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90933722479) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 816229 + ... + 920921.

It is an arithmetic number, because the mean of its divisors is an integer number (3227122754).

Almost surely, 2^90933722475 is an apocalyptic number.

90933722475 is a deficient number, since it is larger than the sum of its proper divisors (63968169717).

90933722475 is a wasteful number, since it uses less digits than its factorization.

90933722475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105056 (or 105051 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 51.

The spelling of 90933722475 in words is "ninety billion, nine hundred thirty-three million, seven hundred twenty-two thousand, four hundred seventy-five".