830207885 has 32 divisors (see below), whose sum is σ = 1127347200. Its totient is φ = 582329088.

The previous prime is 830207879. The next prime is 830207909. The reversal of 830207885 is 588702038.

It is a de Polignac number, because none of the positive numbers 2^k-830207885 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220892 + ... + 224618.

It is an arithmetic number, because the mean of its divisors is an integer number (35229600).

Almost surely, 2^830207885 is an apocalyptic number.

It is an amenable number.

830207885 is a deficient number, since it is larger than the sum of its proper divisors (297139315).

830207885 is a wasteful number, since it uses less digits than its factorization.

830207885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3917.

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 830207885 is about 28813.3282527375. The cubic root of 830207885 is about 939.8580912228.

The spelling of 830207885 in words is "eight hundred thirty million, two hundred seven thousand, eight hundred eighty-five".