79896559 has 2 divisors, whose sum is σ = 79896560. Its totient is φ = 79896558.

The previous prime is 79896521. The next prime is 79896643. The reversal of 79896559 is 95569897.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79896559 - 2¹¹ = 79894511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79896059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39948279 + 39948280.

It is an arithmetic number, because the mean of its divisors is an integer number (39948280).

Almost surely, 2^79896559 is an apocalyptic number.

79896559 is a deficient number, since it is larger than the sum of its proper divisors (1).

79896559 is an equidigital number, since it uses as much as digits as its factorization.

79896559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6123600, while the sum is 58.

The square root of 79896559 is about 8938.4875118781. The cubic root of 79896559 is about 430.7011438396.

The spelling of 79896559 in words is "seventy-nine million, eight hundred ninety-six thousand, five hundred fifty-nine".