79061224357 has 2 divisors, whose sum is σ = 79061224358. Its totient is φ = 79061224356.

The previous prime is 79061224303. The next prime is 79061224367. The reversal of 79061224357 is 75342216097.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48153474721 + 30907749636 = 219439^2 + 175806^2 .

It is a cyclic number.

It is not a de Polignac number, because 79061224357 - 2²³ = 79052835749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79061224367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39530612178 + 39530612179.

It is an arithmetic number, because the mean of its divisors is an integer number (39530612179).

Almost surely, 2^79061224357 is an apocalyptic number.

It is an amenable number.

79061224357 is a deficient number, since it is larger than the sum of its proper divisors (1).

79061224357 is an equidigital number, since it uses as much as digits as its factorization.

79061224357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 635040, while the sum is 46.

The spelling of 79061224357 in words is "seventy-nine billion, sixty-one million, two hundred twenty-four thousand, three hundred fifty-seven".