805726079 has 2 divisors, whose sum is σ = 805726080. Its totient is φ = 805726078.

The previous prime is 805726073. The next prime is 805726091. The reversal of 805726079 is 970627508.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 805726079 - 2²⁴ = 788948863 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (805726073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402863039 + 402863040.

It is an arithmetic number, because the mean of its divisors is an integer number (402863040).

Almost surely, 2^805726079 is an apocalyptic number.

805726079 is a deficient number, since it is larger than the sum of its proper divisors (1).

805726079 is an equidigital number, since it uses as much as digits as its factorization.

805726079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 805726079 is about 28385.3144953513. The cubic root of 805726079 is about 930.5273453477.

The spelling of 805726079 in words is "eight hundred five million, seven hundred twenty-six thousand, seventy-nine".