79423831699 has 2 divisors, whose sum is σ = 79423831700. Its totient is φ = 79423831698.

The previous prime is 79423831691. The next prime is 79423831723. The reversal of 79423831699 is 99613832497.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79423831699 - 2³ = 79423831691 is a prime.

It is not a weakly prime, because it can be changed into another prime (79423831691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39711915849 + 39711915850.

It is an arithmetic number, because the mean of its divisors is an integer number (39711915850).

Almost surely, 2^79423831699 is an apocalyptic number.

79423831699 is a deficient number, since it is larger than the sum of its proper divisors (1).

79423831699 is an equidigital number, since it uses as much as digits as its factorization.

79423831699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17635968, while the sum is 61.

The spelling of 79423831699 in words is "seventy-nine billion, four hundred twenty-three million, eight hundred thirty-one thousand, six hundred ninety-nine".