79611599 has 2 divisors, whose sum is σ = 79611600. Its totient is φ = 79611598.

The previous prime is 79611593. The next prime is 79611607. The reversal of 79611599 is 99511697.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79611599 - 2¹⁶ = 79546063 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79611593) 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, 39805799 + 39805800.

It is an arithmetic number, because the mean of its divisors is an integer number (39805800).

Almost surely, 2^79611599 is an apocalyptic number.

79611599 is a deficient number, since it is larger than the sum of its proper divisors (1).

79611599 is an equidigital number, since it uses as much as digits as its factorization.

79611599 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 153090, while the sum is 47.

The square root of 79611599 is about 8922.5332165255. The cubic root of 79611599 is about 430.1884859627.

The spelling of 79611599 in words is "seventy-nine million, six hundred eleven thousand, five hundred ninety-nine".