79709598407 has 2 divisors, whose sum is σ = 79709598408. Its totient is φ = 79709598406.

The previous prime is 79709598403. The next prime is 79709598443. The reversal of 79709598407 is 70489590797.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79709598407 - 2² = 79709598403 is a prime.

It is a super-3 number, since 3×79709598407³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79709598403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39854799203 + 39854799204.

It is an arithmetic number, because the mean of its divisors is an integer number (39854799204).

Almost surely, 2^79709598407 is an apocalyptic number.

79709598407 is a deficient number, since it is larger than the sum of its proper divisors (1).

79709598407 is an equidigital number, since it uses as much as digits as its factorization.

79709598407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40007520, while the sum is 65.

The spelling of 79709598407 in words is "seventy-nine billion, seven hundred nine million, five hundred ninety-eight thousand, four hundred seven".