791244887 has 2 divisors, whose sum is σ = 791244888. Its totient is φ = 791244886.

The previous prime is 791244841. The next prime is 791244931. The reversal of 791244887 is 788442197.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 791244887 - 2⁶ = 791244823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (791244187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395622443 + 395622444.

It is an arithmetic number, because the mean of its divisors is an integer number (395622444).

Almost surely, 2^791244887 is an apocalyptic number.

791244887 is a deficient number, since it is larger than the sum of its proper divisors (1).

791244887 is an equidigital number, since it uses as much as digits as its factorization.

791244887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 903168, while the sum is 50.

The square root of 791244887 is about 28129.0754736092. The cubic root of 791244887 is about 924.9188677806.

The spelling of 791244887 in words is "seven hundred ninety-one million, two hundred forty-four thousand, eight hundred eighty-seven".