830980109 has 4 divisors (see below), whose sum is σ = 831215616. Its totient is φ = 830744604.

The previous prime is 830980103. The next prime is 830980159. The reversal of 830980109 is 901089038.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 901089038 = 2 ⋅450544519.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-830980109 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 (830980103) 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, 112379 + ... + 119544.

It is an arithmetic number, because the mean of its divisors is an integer number (207803904).

Almost surely, 2^830980109 is an apocalyptic number.

It is an amenable number.

830980109 is a deficient number, since it is larger than the sum of its proper divisors (235507).

830980109 is a wasteful number, since it uses less digits than its factorization.

830980109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235506.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 830980109 is about 28826.7256031621. The cubic root of 830980109 is about 940.1494062351.

The spelling of 830980109 in words is "eight hundred thirty million, nine hundred eighty thousand, one hundred nine".