791948909 has 8 divisors (see below), whose sum is σ = 830899200. Its totient is φ = 753836400.

The previous prime is 791948897. The next prime is 791948921. The reversal of 791948909 is 909849197.

It is an interprime number because it is at equal distance from previous prime (791948897) and next prime (791948921).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 791948909 - 2⁸ = 791948653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (791948959) 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 7 ways as a sum of consecutive naturals, for example, 207509 + ... + 211290.

It is an arithmetic number, because the mean of its divisors is an integer number (103862400).

Almost surely, 2^791948909 is an apocalyptic number.

It is an amenable number.

791948909 is a deficient number, since it is larger than the sum of its proper divisors (38950291).

791948909 is a wasteful number, since it uses less digits than its factorization.

791948909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418891.

The product of its (nonzero) digits is 1469664, while the sum is 56.

The square root of 791948909 is about 28141.5868244845. The cubic root of 791948909 is about 925.1931066034.

The spelling of 791948909 in words is "seven hundred ninety-one million, nine hundred forty-eight thousand, nine hundred nine".