90285989304 has 64 divisors (see below), whose sum is σ = 266855155200. Its totient is φ = 24906478464.

The previous prime is 90285989281. The next prime is 90285989323. The reversal of 90285989304 is 40398958209.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9260932 + ... + 9270675.

It is an arithmetic number, because the mean of its divisors is an integer number (4169611800).

Almost surely, 2^90285989304 is an apocalyptic number.

It is an amenable number.

90285989304 is an abundant number, since it is smaller than the sum of its proper divisors (176569165896).

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

90285989304 is a wasteful number, since it uses less digits than its factorization.

90285989304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18531652 (or 18531648 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 57.

The spelling of 90285989304 in words is "ninety billion, two hundred eighty-five million, nine hundred eighty-nine thousand, three hundred four".