90933100488 has 24 divisors (see below), whose sum is σ = 246277147350. Its totient is φ = 30311033472.

The previous prime is 90933100477. The next prime is 90933100499. The reversal of 90933100488 is 88400133909.

It is an interprime number because it is at equal distance from previous prime (90933100477) and next prime (90933100499).

It can be written as a sum of positive squares in only one way, i.e., 66647618244 + 24285482244 = 258162^2 + 155838^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 631479793 + ... + 631479936.

Almost surely, 2^90933100488 is an apocalyptic number.

It is an amenable number.

90933100488 is an abundant number, since it is smaller than the sum of its proper divisors (155344046862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90933100488 is a wasteful number, since it uses less digits than its factorization.

90933100488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262959741 (or 1262959734 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 90933100488 in words is "ninety billion, nine hundred thirty-three million, one hundred thousand, four hundred eighty-eight".