90715883740 has 12 divisors (see below), whose sum is σ = 190503355896. Its totient is φ = 36286353488.

The previous prime is 90715883737. The next prime is 90715883773. The reversal of 90715883740 is 4738851709.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2267897074 + ... + 2267897113.

It is an arithmetic number, because the mean of its divisors is an integer number (15875279658).

Almost surely, 2^90715883740 is an apocalyptic number.

It is an amenable number.

90715883740 is an abundant number, since it is smaller than the sum of its proper divisors (99787472156).

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

90715883740 is a wasteful number, since it uses less digits than its factorization.

90715883740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4535794196 (or 4535794194 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 90715883740 in words is "ninety billion, seven hundred fifteen million, eight hundred eighty-three thousand, seven hundred forty".