791867447 has 4 divisors (see below), whose sum is σ = 904991376. Its totient is φ = 678743520.

The previous prime is 791867431. The next prime is 791867449. The reversal of 791867447 is 744768197.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 744768197 = 113 ⋅6590869.

It is not a de Polignac number, because 791867447 - 2⁴ = 791867431 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 (791867449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56561954 + ... + 56561967.

It is an arithmetic number, because the mean of its divisors is an integer number (226247844).

Almost surely, 2^791867447 is an apocalyptic number.

791867447 is a deficient number, since it is larger than the sum of its proper divisors (113123929).

791867447 is a wasteful number, since it uses less digits than its factorization.

791867447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113123928.

The product of its digits is 2370816, while the sum is 53.

The square root of 791867447 is about 28140.1394275153. The cubic root of 791867447 is about 925.1613828965.

The spelling of 791867447 in words is "seven hundred ninety-one million, eight hundred sixty-seven thousand, four hundred forty-seven".