79428333053239 has 2 divisors, whose sum is σ = 79428333053240. Its totient is φ = 79428333053238.

The previous prime is 79428333053159. The next prime is 79428333053243. The reversal of 79428333053239 is 93235033382497.

It is a strong prime.

It is an emirp because it is prime and its reverse (93235033382497) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79428333053239 - 2²³ = 79428324664631 is a prime.

It is a super-2 number, since 2×79428333053239² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79428333053249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39714166526619 + 39714166526620.

It is an arithmetic number, because the mean of its divisors is an integer number (39714166526620).

Almost surely, 2^{79428333053239} is an apocalyptic number.

79428333053239 is a deficient number, since it is larger than the sum of its proper divisors (1).

79428333053239 is an equidigital number, since it uses as much as digits as its factorization.

79428333053239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 88179840, while the sum is 61.

The spelling of 79428333053239 in words is "seventy-nine trillion, four hundred twenty-eight billion, three hundred thirty-three million, fifty-three thousand, two hundred thirty-nine".