791273963 has 4 divisors (see below), whose sum is σ = 791352528. Its totient is φ = 791195400.

The previous prime is 791273947. The next prime is 791273983. The reversal of 791273963 is 369372197.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 791273963 - 2⁴ = 791273947 is a prime.

It is a super-2 number, since 2×791273963² = 1252228969043450738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (791273933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21488 + ... + 45213.

It is an arithmetic number, because the mean of its divisors is an integer number (197838132).

Almost surely, 2^791273963 is an apocalyptic number.

791273963 is a deficient number, since it is larger than the sum of its proper divisors (78565).

791273963 is a wasteful number, since it uses less digits than its factorization.

791273963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78564.

The product of its digits is 428652, while the sum is 47.

The square root of 791273963 is about 28129.5923006360. The cubic root of 791273963 is about 924.9301970214.

The spelling of 791273963 in words is "seven hundred ninety-one million, two hundred seventy-three thousand, nine hundred sixty-three".