785667 has 8 divisors (see below), whose sum is σ = 1051840. Its totient is φ = 521640.

The previous prime is 785651. The next prime is 785671. The reversal of 785667 is 766587.

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

It is not a de Polignac number, because 785667 - 2⁴ = 785651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (785627) 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, 792 + ... + 1482.

It is an arithmetic number, because the mean of its divisors is an integer number (131480).

2⁷⁸⁵⁶⁶⁷ is an apocalyptic number.

785667 is a deficient number, since it is larger than the sum of its proper divisors (266173).

785667 is a wasteful number, since it uses less digits than its factorization.

785667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073.

The product of its digits is 70560, while the sum is 39.

The square root of 785667 is about 886.3785872865. The cubic root of 785667 is about 92.2740332943.

The spelling of 785667 in words is "seven hundred eighty-five thousand, six hundred sixty-seven".