830779 has 4 divisors (see below), whose sum is σ = 844920. Its totient is φ = 816640.

The previous prime is 830777. The next prime is 830789. The reversal of 830779 is 977038.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 830779 - 2¹ = 830777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (830777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6982 + ... + 7099.

It is an arithmetic number, because the mean of its divisors is an integer number (211230).

2⁸³⁰⁷⁷⁹ is an apocalyptic number.

830779 is a deficient number, since it is larger than the sum of its proper divisors (14141).

830779 is a wasteful number, since it uses less digits than its factorization.

830779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14140.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 830779 is about 911.4707894387. The cubic root of 830779 is about 94.0073556942.

The spelling of 830779 in words is "eight hundred thirty thousand, seven hundred seventy-nine".