791348857 has 8 divisors (see below), whose sum is σ = 853263936. Its totient is φ = 729582672.

The previous prime is 791348849. The next prime is 791348881. The reversal of 791348857 is 758843197.

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

It is not a de Polignac number, because 791348857 - 2³ = 791348849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (791348807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26053 + ... + 47554.

It is an arithmetic number, because the mean of its divisors is an integer number (106657992).

Almost surely, 2^791348857 is an apocalyptic number.

It is an amenable number.

791348857 is a deficient number, since it is larger than the sum of its proper divisors (61915079).

791348857 is a wasteful number, since it uses less digits than its factorization.

791348857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74447.

The product of its digits is 1693440, while the sum is 52.

The square root of 791348857 is about 28130.9235006603. The cubic root of 791348857 is about 924.9593776171.

The spelling of 791348857 in words is "seven hundred ninety-one million, three hundred forty-eight thousand, eight hundred fifty-seven".