794278817 has 2 divisors, whose sum is σ = 794278818. Its totient is φ = 794278816.

The previous prime is 794278801. The next prime is 794278819. The reversal of 794278817 is 718872497.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 665433616 + 128845201 = 25796^2 + 11351^2 .

It is a cyclic number.

It is not a de Polignac number, because 794278817 - 2⁴ = 794278801 is a prime.

Together with 794278819, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (794278819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 397139408 + 397139409.

It is an arithmetic number, because the mean of its divisors is an integer number (397139409).

Almost surely, 2^794278817 is an apocalyptic number.

It is an amenable number.

794278817 is a deficient number, since it is larger than the sum of its proper divisors (1).

794278817 is an equidigital number, since it uses as much as digits as its factorization.

794278817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1580544, while the sum is 53.

The square root of 794278817 is about 28182.9525954964. The cubic root of 794278817 is about 926.0995221184.

The spelling of 794278817 in words is "seven hundred ninety-four million, two hundred seventy-eight thousand, eight hundred seventeen".