791258873 has 2 divisors, whose sum is σ = 791258874. Its totient is φ = 791258872.

The previous prime is 791258843. The next prime is 791258917. The reversal of 791258873 is 378852197.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 429194089 + 362064784 = 20717^2 + 19028^2 .

It is an emirp because it is prime and its reverse (378852197) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 791258873 - 2¹⁰ = 791257849 is a prime.

It is not a weakly prime, because it can be changed into another prime (791258843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395629436 + 395629437.

It is an arithmetic number, because the mean of its divisors is an integer number (395629437).

Almost surely, 2^791258873 is an apocalyptic number.

It is an amenable number.

791258873 is a deficient number, since it is larger than the sum of its proper divisors (1).

791258873 is an equidigital number, since it uses as much as digits as its factorization.

791258873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 50.

The square root of 791258873 is about 28129.3240764864. The cubic root of 791258873 is about 924.9243173531.

The spelling of 791258873 in words is "seven hundred ninety-one million, two hundred fifty-eight thousand, eight hundred seventy-three".