79079477 has 2 divisors, whose sum is σ = 79079478. Its totient is φ = 79079476.

The previous prime is 79079417. The next prime is 79079531. The reversal of 79079477 is 77497097.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77334436 + 1745041 = 8794^2 + 1321^2 .

It is a cyclic number.

It is not a de Polignac number, because 79079477 - 2¹⁰ = 79078453 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79079417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39539738 + 39539739.

It is an arithmetic number, because the mean of its divisors is an integer number (39539739).

Almost surely, 2^79079477 is an apocalyptic number.

It is an amenable number.

79079477 is a deficient number, since it is larger than the sum of its proper divisors (1).

79079477 is an equidigital number, since it uses as much as digits as its factorization.

79079477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 777924, while the sum is 50.

The square root of 79079477 is about 8892.6642239545. The cubic root of 79079477 is about 429.2278860899.

The spelling of 79079477 in words is "seventy-nine million, seventy-nine thousand, four hundred seventy-seven".