793937891 has 2 divisors, whose sum is σ = 793937892. Its totient is φ = 793937890.

The previous prime is 793937867. The next prime is 793937923. The reversal of 793937891 is 198739397.

It is a weak prime.

It is an emirp because it is prime and its reverse (198739397) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 793937891 - 2¹⁰ = 793936867 is a prime.

It is not a weakly prime, because it can be changed into another prime (793937801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 396968945 + 396968946.

It is an arithmetic number, because the mean of its divisors is an integer number (396968946).

Almost surely, 2^793937891 is an apocalyptic number.

793937891 is a deficient number, since it is larger than the sum of its proper divisors (1).

793937891 is an equidigital number, since it uses as much as digits as its factorization.

793937891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2571912, while the sum is 56.

The square root of 793937891 is about 28176.9035026917. The cubic root of 793937891 is about 925.9670008159.

The spelling of 793937891 in words is "seven hundred ninety-three million, nine hundred thirty-seven thousand, eight hundred ninety-one".