794291891 has 2 divisors, whose sum is σ = 794291892. Its totient is φ = 794291890.

The previous prime is 794291873. The next prime is 794291899. The reversal of 794291891 is 198192497.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-794291891 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (794291899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 397145945 + 397145946.

It is an arithmetic number, because the mean of its divisors is an integer number (397145946).

Almost surely, 2^794291891 is an apocalyptic number.

794291891 is a deficient number, since it is larger than the sum of its proper divisors (1).

794291891 is an equidigital number, since it uses as much as digits as its factorization.

794291891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 50.

The square root of 794291891 is about 28183.1845432698. The cubic root of 794291891 is about 926.1046033562.

The spelling of 794291891 in words is "seven hundred ninety-four million, two hundred ninety-one thousand, eight hundred ninety-one".