830811307 has 4 divisors (see below), whose sum is σ = 833747320. Its totient is φ = 827875296.

The previous prime is 830811263. The next prime is 830811329. The reversal of 830811307 is 703118038.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-830811307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (830011307) 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, 1467582 + ... + 1468147.

It is an arithmetic number, because the mean of its divisors is an integer number (208436830).

Almost surely, 2^830811307 is an apocalyptic number.

830811307 is a deficient number, since it is larger than the sum of its proper divisors (2936013).

830811307 is a wasteful number, since it uses less digits than its factorization.

830811307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2936012.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 830811307 is about 28823.7975811655. The cubic root of 830811307 is about 940.0857425182.

The spelling of 830811307 in words is "eight hundred thirty million, eight hundred eleven thousand, three hundred seven".