90593793090 has 80 divisors (see below), whose sum is σ = 244833606072. Its totient is φ = 24035671296.

The previous prime is 90593793083. The next prime is 90593793109. The reversal of 90593793090 is 9039739509.

It can be written as a sum of positive squares in 4 ways, for example, as 76336716681 + 14257076409 = 276291^2 + 119403^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 124299 + ... + 443438.

Almost surely, 2^90593793090 is an apocalyptic number.

90593793090 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

90593793090 is an abundant number, since it is smaller than the sum of its proper divisors (154239812982).

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

90593793090 is a wasteful number, since it uses less digits than its factorization.

90593793090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567953 (or 567944 counting only the distinct ones).

The product of its (nonzero) digits is 2066715, while the sum is 54.

The spelling of 90593793090 in words is "ninety billion, five hundred ninety-three million, seven hundred ninety-three thousand, ninety".