800740079 has 2 divisors, whose sum is σ = 800740080. Its totient is φ = 800740078.

The previous prime is 800740033. The next prime is 800740091. The reversal of 800740079 is 970047008.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 800740079 - 2²⁴ = 783962863 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (800740679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400370039 + 400370040.

It is an arithmetic number, because the mean of its divisors is an integer number (400370040).

Almost surely, 2^800740079 is an apocalyptic number.

800740079 is a deficient number, since it is larger than the sum of its proper divisors (1).

800740079 is an equidigital number, since it uses as much as digits as its factorization.

800740079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 800740079 is about 28297.3510951114. The cubic root of 800740079 is about 928.6039403629.

The spelling of 800740079 in words is "eight hundred million, seven hundred forty thousand, seventy-nine".