79620704407 has 2 divisors, whose sum is σ = 79620704408. Its totient is φ = 79620704406.

The previous prime is 79620704381. The next prime is 79620704417. The reversal of 79620704407 is 70440702697.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79620704407 - 2²³ = 79612315799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79620704417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39810352203 + 39810352204.

It is an arithmetic number, because the mean of its divisors is an integer number (39810352204).

Almost surely, 2^79620704407 is an apocalyptic number.

79620704407 is a deficient number, since it is larger than the sum of its proper divisors (1).

79620704407 is an equidigital number, since it uses as much as digits as its factorization.

79620704407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 592704, while the sum is 46.

The spelling of 79620704407 in words is "seventy-nine billion, six hundred twenty million, seven hundred four thousand, four hundred seven".