830995207 has 16 divisors (see below), whose sum is σ = 1038016512. Its totient is φ = 648754560.

The previous prime is 830995189. The next prime is 830995219. The reversal of 830995207 is 702599038.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-830995207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830995307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108943 + ... + 116320.

It is an arithmetic number, because the mean of its divisors is an integer number (64876032).

Almost surely, 2^830995207 is an apocalyptic number.

830995207 is a deficient number, since it is larger than the sum of its proper divisors (207021305).

830995207 is a wasteful number, since it uses less digits than its factorization.

830995207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225318.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 830995207 is about 28826.9874770154. The cubic root of 830995207 is about 940.1551000295.

The spelling of 830995207 in words is "eight hundred thirty million, nine hundred ninety-five thousand, two hundred seven".