791134447 has 2 divisors, whose sum is σ = 791134448. Its totient is φ = 791134446.

The previous prime is 791134441. The next prime is 791134453. The reversal of 791134447 is 744431197.

It is a balanced prime because it is at equal distance from previous prime (791134441) and next prime (791134453).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-791134447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (791134441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395567223 + 395567224.

It is an arithmetic number, because the mean of its divisors is an integer number (395567224).

Almost surely, 2^791134447 is an apocalyptic number.

791134447 is a deficient number, since it is larger than the sum of its proper divisors (1).

791134447 is an equidigital number, since it uses as much as digits as its factorization.

791134447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 40.

The square root of 791134447 is about 28127.1123117891. The cubic root of 791134447 is about 924.8758331507.

The spelling of 791134447 in words is "seven hundred ninety-one million, one hundred thirty-four thousand, four hundred forty-seven".