90774440597 has 8 divisors (see below), whose sum is σ = 92710944480. Its totient is φ = 88858004400.

The previous prime is 90774440593. The next prime is 90774440623. The reversal of 90774440597 is 79504447709.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90774440597 - 2² = 90774440593 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90774440593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5007779 + ... + 5025872.

It is an arithmetic number, because the mean of its divisors is an integer number (11588868060).

Almost surely, 2^90774440597 is an apocalyptic number.

It is an amenable number.

90774440597 is a deficient number, since it is larger than the sum of its proper divisors (1936503883).

90774440597 is a wasteful number, since it uses less digits than its factorization.

90774440597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10033843.

The product of its (nonzero) digits is 8890560, while the sum is 56.

The spelling of 90774440597 in words is "ninety billion, seven hundred seventy-four million, four hundred forty thousand, five hundred ninety-seven".