90880012784 has 40 divisors (see below), whose sum is σ = 192368794752. Its totient is φ = 41248560320.

The previous prime is 90880012781. The next prime is 90880012823. The reversal of 90880012784 is 48721008809.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90880012781) 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, 257804 + ... + 498219.

Almost surely, 2^90880012784 is an apocalyptic number.

It is an amenable number.

90880012784 is an abundant number, since it is smaller than the sum of its proper divisors (101488781968).

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

90880012784 is a wasteful number, since it uses less digits than its factorization.

90880012784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756725 (or 756719 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 47.

The spelling of 90880012784 in words is "ninety billion, eight hundred eighty million, twelve thousand, seven hundred eighty-four".