99579657607 has 2 divisors, whose sum is σ = 99579657608. Its totient is φ = 99579657606.

The previous prime is 99579657599. The next prime is 99579657631. The reversal of 99579657607 is 70675697599.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99579657607 - 2³ = 99579657599 is a prime.

It is a super-2 number, since 2×99579657607² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99579652607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49789828803 + 49789828804.

It is an arithmetic number, because the mean of its divisors is an integer number (49789828804).

Almost surely, 2^99579657607 is an apocalyptic number.

99579657607 is a deficient number, since it is larger than the sum of its proper divisors (1).

99579657607 is an equidigital number, since it uses as much as digits as its factorization.

99579657607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225042300, while the sum is 70.

The spelling of 99579657607 in words is "ninety-nine billion, five hundred seventy-nine million, six hundred fifty-seven thousand, six hundred seven".