785479317 has 8 divisors (see below), whose sum is σ = 1196920896. Its totient is φ = 448845312.

The previous prime is 785479291. The next prime is 785479349. The reversal of 785479317 is 713974587.

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

It is not a de Polignac number, because 785479317 - 2⁸ = 785479061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 785479317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (785479117) 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, 18701868 + ... + 18701909.

It is an arithmetic number, because the mean of its divisors is an integer number (149615112).

Almost surely, 2^785479317 is an apocalyptic number.

It is an amenable number.

785479317 is a deficient number, since it is larger than the sum of its proper divisors (411441579).

785479317 is a wasteful number, since it uses less digits than its factorization.

785479317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37403787.

The product of its digits is 1481760, while the sum is 51.

The square root of 785479317 is about 28026.4039255842. The cubic root of 785479317 is about 922.6668512325. Note that the first 3 decimals are identical.

The spelling of 785479317 in words is "seven hundred eighty-five million, four hundred seventy-nine thousand, three hundred seventeen".