79719833 has 2 divisors, whose sum is σ = 79719834. Its totient is φ = 79719832.

The previous prime is 79719781. The next prime is 79719841. The reversal of 79719833 is 33891797.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49392784 + 30327049 = 7028^2 + 5507^2 .

It is a cyclic number.

It is not a de Polignac number, because 79719833 - 2¹⁶ = 79654297 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (79719853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39859916 + 39859917.

It is an arithmetic number, because the mean of its divisors is an integer number (39859917).

Almost surely, 2^79719833 is an apocalyptic number.

It is an amenable number.

79719833 is a deficient number, since it is larger than the sum of its proper divisors (1).

79719833 is an equidigital number, since it uses as much as digits as its factorization.

79719833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 285768, while the sum is 47.

The square root of 79719833 is about 8928.5963622509. The cubic root of 79719833 is about 430.3833484233.

The spelling of 79719833 in words is "seventy-nine million, seven hundred nineteen thousand, eight hundred thirty-three".