79348388384357 has 2 divisors, whose sum is σ = 79348388384358. Its totient is φ = 79348388384356.

The previous prime is 79348388384341. The next prime is 79348388384359. The reversal of 79348388384357 is 75348388384397.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58496324627521 + 20852063756836 = 7648289^2 + 4566406^2 .

It is a cyclic number.

It is not a de Polignac number, because 79348388384357 - 2⁴ = 79348388384341 is a prime.

Together with 79348388384359, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79348388384359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39674194192178 + 39674194192179.

It is an arithmetic number, because the mean of its divisors is an integer number (39674194192179).

Almost surely, 2^{79348388384357} is an apocalyptic number.

It is an amenable number.

79348388384357 is a deficient number, since it is larger than the sum of its proper divisors (1).

79348388384357 is an equidigital number, since it uses as much as digits as its factorization.

79348388384357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11705057280, while the sum is 80.

The spelling of 79348388384357 in words is "seventy-nine trillion, three hundred forty-eight billion, three hundred eighty-eight million, three hundred eighty-four thousand, three hundred fifty-seven".