90369497880 has 64 divisors (see below), whose sum is σ = 301231663200. Its totient is φ = 24098532480.

The previous prime is 90369497863. The next prime is 90369497887. The reversal of 90369497880 is 8879496309.

90369497880 is a `hidden beast` number, since 9 + 0 + 3 + 69 + 497 + 8 + 80 = 666.

It is a super-2 number, since 2×90369497880² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90369497887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41836651 + ... + 41838810.

Almost surely, 2^90369497880 is an apocalyptic number.

90369497880 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

90369497880 is an abundant number, since it is smaller than the sum of its proper divisors (210862165320).

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

90369497880 is a wasteful number, since it uses less digits than its factorization.

90369497880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83675481 (or 83675471 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 63.

The spelling of 90369497880 in words is "ninety billion, three hundred sixty-nine million, four hundred ninety-seven thousand, eight hundred eighty".