90716585280 has 448 divisors, whose sum is σ = 317772288000. Its totient is φ = 21884848128.

The previous prime is 90716585279. The next prime is 90716585327. The reversal of 90716585280 is 8258561709.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 151446421 + ... + 151447019.

Almost surely, 2^90716585280 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 90716585280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158886144000).

90716585280 is an abundant number, since it is smaller than the sum of its proper divisors (227055702720).

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

90716585280 is a wasteful number, since it uses less digits than its factorization.

90716585280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699 (or 651 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 51.

The spelling of 90716585280 in words is "ninety billion, seven hundred sixteen million, five hundred eighty-five thousand, two hundred eighty".