830274785 has 16 divisors (see below), whose sum is σ = 1032477840. Its totient is φ = 640200960.

The previous prime is 830274761. The next prime is 830274791. The reversal of 830274785 is 587472038.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 209467729 + 620807056 = 14473^2 + 24916^2 .

It is not a de Polignac number, because 830274785 - 2²² = 826080481 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84215 + ... + 93555.

It is an arithmetic number, because the mean of its divisors is an integer number (64529865).

Almost surely, 2^830274785 is an apocalyptic number.

It is an amenable number.

830274785 is a deficient number, since it is larger than the sum of its proper divisors (202203055).

830274785 is a wasteful number, since it uses less digits than its factorization.

830274785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9988.

The product of its (nonzero) digits is 376320, while the sum is 44.

The square root of 830274785 is about 28814.4891504257. The cubic root of 830274785 is about 939.8833358307.

The spelling of 830274785 in words is "eight hundred thirty million, two hundred seventy-four thousand, seven hundred eighty-five".