79314769 has 2 divisors, whose sum is σ = 79314770. Its totient is φ = 79314768.

The previous prime is 79314757. The next prime is 79314799. The reversal of 79314769 is 96741397.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53100369 + 26214400 = 7287^2 + 5120^2 .

It is a cyclic number.

It is not a de Polignac number, because 79314769 - 2¹¹ = 79312721 is a prime.

It is a super-2 number, since 2×79314769² = 12581665163046722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (79314799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39657384 + 39657385.

It is an arithmetic number, because the mean of its divisors is an integer number (39657385).

Almost surely, 2^79314769 is an apocalyptic number.

It is an amenable number.

79314769 is a deficient number, since it is larger than the sum of its proper divisors (1).

79314769 is an equidigital number, since it uses as much as digits as its factorization.

79314769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 285768, while the sum is 46.

The square root of 79314769 is about 8905.8839538813. The cubic root of 79314769 is about 429.6531708437.

The spelling of 79314769 in words is "seventy-nine million, three hundred fourteen thousand, seven hundred sixty-nine".