791912227 has 4 divisors (see below), whose sum is σ = 792967456. Its totient is φ = 790857000.

The previous prime is 791912189. The next prime is 791912237. The reversal of 791912227 is 722219197.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 791912227 - 2²³ = 783523619 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 791912227.

It is not an unprimeable number, because it can be changed into a prime (791912237) 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, 526488 + ... + 527989.

It is an arithmetic number, because the mean of its divisors is an integer number (198241864).

Almost surely, 2^791912227 is an apocalyptic number.

791912227 is a deficient number, since it is larger than the sum of its proper divisors (1055229).

791912227 is a wasteful number, since it uses less digits than its factorization.

791912227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055228.

The product of its digits is 31752, while the sum is 40.

The square root of 791912227 is about 28140.9350768591. The cubic root of 791912227 is about 925.1788218193.

It can be divided in two parts, 79191 and 2227, that added together give a palindrome (81418).

The spelling of 791912227 in words is "seven hundred ninety-one million, nine hundred twelve thousand, two hundred twenty-seven".