90596679209 has 4 divisors (see below), whose sum is σ = 93720702660. Its totient is φ = 87472655760.

The previous prime is 90596679181. The next prime is 90596679211. The reversal of 90596679209 is 90297669509.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 75914025625 + 14682653584 = 275525^2 + 121172^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90596679209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90596670209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1562011682 + ... + 1562011739.

It is an arithmetic number, because the mean of its divisors is an integer number (23430175665).

Almost surely, 2^90596679209 is an apocalyptic number.

It is an amenable number.

90596679209 is a deficient number, since it is larger than the sum of its proper divisors (3124023451).

90596679209 is a wasteful number, since it uses less digits than its factorization.

90596679209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3124023450.

The product of its (nonzero) digits is 16533720, while the sum is 62.

The spelling of 90596679209 in words is "ninety billion, five hundred ninety-six million, six hundred seventy-nine thousand, two hundred nine".