90517496775 has 24 divisors (see below), whose sum is σ = 149775570000. Its totient is φ = 48237296640.

The previous prime is 90517496759. The next prime is 90517496827. The reversal of 90517496775 is 57769471509.

It is not a de Polignac number, because 90517496775 - 2⁴ = 90517496759 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 389472 + ... + 576821.

It is an arithmetic number, because the mean of its divisors is an integer number (6240648750).

Almost surely, 2^90517496775 is an apocalyptic number.

90517496775 is a deficient number, since it is larger than the sum of its proper divisors (59258073225).

90517496775 is a wasteful number, since it uses less digits than its factorization.

90517496775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967555 (or 967550 counting only the distinct ones).

The product of its (nonzero) digits is 16669800, while the sum is 60.

The spelling of 90517496775 in words is "ninety billion, five hundred seventeen million, four hundred ninety-six thousand, seven hundred seventy-five".