79243361 has 2 divisors, whose sum is σ = 79243362. Its totient is φ = 79243360.

The previous prime is 79243309. The next prime is 79243369. The reversal of 79243361 is 16334297.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68227600 + 11015761 = 8260^2 + 3319^2 .

It is a cyclic number.

It is not a de Polignac number, because 79243361 - 2²⁶ = 12134497 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (79243369) 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, 39621680 + 39621681.

It is an arithmetic number, because the mean of its divisors is an integer number (39621681).

Almost surely, 2^79243361 is an apocalyptic number.

It is an amenable number.

79243361 is a deficient number, since it is larger than the sum of its proper divisors (1).

79243361 is an equidigital number, since it uses as much as digits as its factorization.

79243361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 35.

The square root of 79243361 is about 8901.8740161833. The cubic root of 79243361 is about 429.5241915628.

The spelling of 79243361 in words is "seventy-nine million, two hundred forty-three thousand, three hundred sixty-one".