90750604488 has 64 divisors (see below), whose sum is σ = 240075187200. Its totient is φ = 28527428160.

The previous prime is 90750604487. The next prime is 90750604493. The reversal of 90750604488 is 88440605709.

It is a self number, because there is not a number n which added to its sum of digits gives 90750604488.

It is not an unprimeable number, because it can be changed into a prime (90750604487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1118578 + ... + 1196961.

It is an arithmetic number, because the mean of its divisors is an integer number (3751174800).

Almost surely, 2^90750604488 is an apocalyptic number.

It is an amenable number.

90750604488 is an abundant number, since it is smaller than the sum of its proper divisors (149324582712).

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

90750604488 is a wasteful number, since it uses less digits than its factorization.

90750604488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2315642 (or 2315638 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 90750604488 in words is "ninety billion, seven hundred fifty million, six hundred four thousand, four hundred eighty-eight".