90722998080 has 896 divisors, whose sum is σ = 380381621760. Its totient is φ = 20065812480.

The previous prime is 90722998063. The next prime is 90722998111. The reversal of 90722998080 is 8089922709.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 119845062 + ... + 119845818.

It is an arithmetic number, because the mean of its divisors is an integer number (424533060).

Almost surely, 2^90722998080 is an apocalyptic number.

90722998080 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90722998080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190190810880).

90722998080 is an abundant number, since it is smaller than the sum of its proper divisors (289658623680).

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

90722998080 is a wasteful number, since it uses less digits than its factorization.

90722998080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904 (or 888 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The spelling of 90722998080 in words is "ninety billion, seven hundred twenty-two million, nine hundred ninety-eight thousand, eighty".