90772059840 has 224 divisors, whose sum is σ = 359316186624. Its totient is φ = 18861711360.

The previous prime is 90772059817. The next prime is 90772059863. The reversal of 90772059840 is 4895027709.

It is an interprime number because it is at equal distance from previous prime (90772059817) and next prime (90772059863).

It is a tau number, because it is divible by the number of its divisors (224).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 540069 + ... + 687908.

Almost surely, 2^90772059840 is an apocalyptic number.

It is an amenable number.

90772059840 is an abundant number, since it is smaller than the sum of its proper divisors (268544126784).

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

90772059840 is a wasteful number, since it uses less digits than its factorization.

90772059840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228015 (or 1228005 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 51.

The spelling of 90772059840 in words is "ninety billion, seven hundred seventy-two million, fifty-nine thousand, eight hundred forty".