79061369 has 2 divisors, whose sum is σ = 79061370. Its totient is φ = 79061368.

The previous prime is 79061363. The next prime is 79061371. The reversal of 79061369 is 96316097.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77668969 + 1392400 = 8813^2 + 1180^2 .

It is a cyclic number.

It is not a de Polignac number, because 79061369 - 2¹² = 79057273 is a prime.

It is a super-2 number, since 2×79061369² = 12501400136308322, which contains 22 as substring.

Together with 79061371, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (79061363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39530684 + 39530685.

It is an arithmetic number, because the mean of its divisors is an integer number (39530685).

Almost surely, 2^79061369 is an apocalyptic number.

It is an amenable number.

79061369 is a deficient number, since it is larger than the sum of its proper divisors (1).

79061369 is an equidigital number, since it uses as much as digits as its factorization.

79061369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 79061369 is about 8891.6460230938. The cubic root of 79061369 is about 429.1951213651.

The spelling of 79061369 in words is "seventy-nine million, sixty-one thousand, three hundred sixty-nine".