79710899 has 2 divisors, whose sum is σ = 79710900. Its totient is φ = 79710898.

The previous prime is 79710859. The next prime is 79710907. The reversal of 79710899 is 99801797.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79710899 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (79710859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39855449 + 39855450.

It is an arithmetic number, because the mean of its divisors is an integer number (39855450).

Almost surely, 2^79710899 is an apocalyptic number.

79710899 is a deficient number, since it is larger than the sum of its proper divisors (1).

79710899 is an equidigital number, since it uses as much as digits as its factorization.

79710899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 285768, while the sum is 50.

The square root of 79710899 is about 8928.0960456303. The cubic root of 79710899 is about 430.3672704983.

The spelling of 79710899 in words is "seventy-nine million, seven hundred ten thousand, eight hundred ninety-nine".