791889347 has 2 divisors, whose sum is σ = 791889348. Its totient is φ = 791889346.

The previous prime is 791889289. The next prime is 791889361. The reversal of 791889347 is 743988197.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 791889347 - 2¹² = 791885251 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 791889292 and 791889301.

It is not a weakly prime, because it can be changed into another prime (791849347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395944673 + 395944674.

It is an arithmetic number, because the mean of its divisors is an integer number (395944674).

Almost surely, 2^791889347 is an apocalyptic number.

791889347 is a deficient number, since it is larger than the sum of its proper divisors (1).

791889347 is an equidigital number, since it uses as much as digits as its factorization.

791889347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3048192, while the sum is 56.

The square root of 791889347 is about 28140.5285486965. The cubic root of 791889347 is about 925.1699116166.

The spelling of 791889347 in words is "seven hundred ninety-one million, eight hundred eighty-nine thousand, three hundred forty-seven".