90989303296 has 80 divisors (see below), whose sum is σ = 188160635520. Its totient is φ = 43910922240.

The previous prime is 90989303263. The next prime is 90989303299. The reversal of 90989303296 is 69230398909.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 90989303296.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90989303299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6166840 + ... + 6181576.

It is an arithmetic number, because the mean of its divisors is an integer number (2352007944).

Almost surely, 2^90989303296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90989303296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94080317760).

90989303296 is an abundant number, since it is smaller than the sum of its proper divisors (97171332224).

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

90989303296 is a wasteful number, since it uses less digits than its factorization.

90989303296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15175 (or 15159 counting only the distinct ones).

The product of its (nonzero) digits is 5668704, while the sum is 58.

The spelling of 90989303296 in words is "ninety billion, nine hundred eighty-nine million, three hundred three thousand, two hundred ninety-six".