830779845 has 64 divisors (see below), whose sum is σ = 1617408000. Its totient is φ = 355677696.

The previous prime is 830779837. The next prime is 830779853. The reversal of 830779845 is 548977038.

It is an interprime number because it is at equal distance from previous prime (830779837) and next prime (830779853).

It is not a de Polignac number, because 830779845 - 2³ = 830779837 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 175216 + ... + 179894.

It is an arithmetic number, because the mean of its divisors is an integer number (25272000).

Almost surely, 2^830779845 is an apocalyptic number.

It is an amenable number.

830779845 is a deficient number, since it is larger than the sum of its proper divisors (786628155).

830779845 is a wasteful number, since it uses less digits than its factorization.

830779845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4802.

The product of its (nonzero) digits is 1693440, while the sum is 51.

The square root of 830779845 is about 28823.2518116884. The cubic root of 830779845 is about 940.0738756636.

The spelling of 830779845 in words is "eight hundred thirty million, seven hundred seventy-nine thousand, eight hundred forty-five".