79504259407 has 2 divisors, whose sum is σ = 79504259408. Its totient is φ = 79504259406.

The previous prime is 79504259383. The next prime is 79504259467. The reversal of 79504259407 is 70495240597.

It is a weak prime.

It is an emirp because it is prime and its reverse (70495240597) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79504259407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79504259467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39752129703 + 39752129704.

It is an arithmetic number, because the mean of its divisors is an integer number (39752129704).

Almost surely, 2^79504259407 is an apocalyptic number.

79504259407 is a deficient number, since it is larger than the sum of its proper divisors (1).

79504259407 is an equidigital number, since it uses as much as digits as its factorization.

79504259407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3175200, while the sum is 52.

The spelling of 79504259407 in words is "seventy-nine billion, five hundred four million, two hundred fifty-nine thousand, four hundred seven".