79379761 has 2 divisors, whose sum is σ = 79379762. Its totient is φ = 79379760.

The previous prime is 79379737. The next prime is 79379779. The reversal of 79379761 is 16797397.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57289761 + 22090000 = 7569^2 + 4700^2 .

It is a cyclic number.

It is not a de Polignac number, because 79379761 - 2¹¹ = 79377713 is a prime.

It is a super-2 number, since 2×79379761² = 12602292912834242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (79379711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39689880 + 39689881.

It is an arithmetic number, because the mean of its divisors is an integer number (39689881).

Almost surely, 2^79379761 is an apocalyptic number.

It is an amenable number.

79379761 is a deficient number, since it is larger than the sum of its proper divisors (1).

79379761 is an equidigital number, since it uses as much as digits as its factorization.

79379761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 500094, while the sum is 49.

The square root of 79379761 is about 8909.5320303594. The cubic root of 79379761 is about 429.7704940760.

The spelling of 79379761 in words is "seventy-nine million, three hundred seventy-nine thousand, seven hundred sixty-one".