791949223 has 4 divisors (see below), whose sum is σ = 852868408. Its totient is φ = 731030040.

The previous prime is 791949217. The next prime is 791949227. The reversal of 791949223 is 322949197.

It is a happy number.

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

It is not a de Polignac number, because 791949223 - 2⁹ = 791948711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (791949227) 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, 30459573 + ... + 30459598.

It is an arithmetic number, because the mean of its divisors is an integer number (213217102).

Almost surely, 2^791949223 is an apocalyptic number.

791949223 is a deficient number, since it is larger than the sum of its proper divisors (60919185).

791949223 is a wasteful number, since it uses less digits than its factorization.

791949223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60919184.

The product of its digits is 244944, while the sum is 46.

The square root of 791949223 is about 28141.5924034160. The cubic root of 791949223 is about 925.1932288801.

The spelling of 791949223 in words is "seven hundred ninety-one million, nine hundred forty-nine thousand, two hundred twenty-three".