8575490779 has 2 divisors, whose sum is σ = 8575490780. Its totient is φ = 8575490778.

The previous prime is 8575490773. The next prime is 8575490809. The reversal of 8575490779 is 9770945758.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8575490779 - 2¹¹ = 8575488731 is a prime.

It is not a weakly prime, because it can be changed into another prime (8575490773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4287745389 + 4287745390.

It is an arithmetic number, because the mean of its divisors is an integer number (4287745390).

Almost surely, 2^8575490779 is an apocalyptic number.

8575490779 is a deficient number, since it is larger than the sum of its proper divisors (1).

8575490779 is an equidigital number, since it uses as much as digits as its factorization.

8575490779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22226400, while the sum is 61.

The square root of 8575490779 is about 92603.9458068607. The cubic root of 8575490779 is about 2046.8514648885.

The spelling of 8575490779 in words is "eight billion, five hundred seventy-five million, four hundred ninety thousand, seven hundred seventy-nine".