90716585279 has 2 divisors, whose sum is σ = 90716585280. Its totient is φ = 90716585278.

The previous prime is 90716585273. The next prime is 90716585327. The reversal of 90716585279 is 97258561709.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90716585279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90716585273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45358292639 + 45358292640.

It is an arithmetic number, because the mean of its divisors is an integer number (45358292640).

Almost surely, 2^90716585279 is an apocalyptic number.

90716585279 is a deficient number, since it is larger than the sum of its proper divisors (1).

90716585279 is an equidigital number, since it uses as much as digits as its factorization.

90716585279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9525600, while the sum is 59.

The spelling of 90716585279 in words is "ninety billion, seven hundred sixteen million, five hundred eighty-five thousand, two hundred seventy-nine".