790891427 has 2 divisors, whose sum is σ = 790891428. Its totient is φ = 790891426.

The previous prime is 790891403. The next prime is 790891433. The reversal of 790891427 is 724198097.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-790891427 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (790891457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395445713 + 395445714.

It is an arithmetic number, because the mean of its divisors is an integer number (395445714).

Almost surely, 2^790891427 is an apocalyptic number.

790891427 is a deficient number, since it is larger than the sum of its proper divisors (1).

790891427 is an equidigital number, since it uses as much as digits as its factorization.

790891427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 47.

The square root of 790891427 is about 28122.7919488802. The cubic root of 790891427 is about 924.7811225976.

The spelling of 790891427 in words is "seven hundred ninety million, eight hundred ninety-one thousand, four hundred twenty-seven".