830472089 has 2 divisors, whose sum is σ = 830472090. Its totient is φ = 830472088.

The previous prime is 830472079. The next prime is 830472103. The reversal of 830472089 is 980274038.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 813390400 + 17081689 = 28520^2 + 4133^2 .

It is a cyclic number.

It is not a de Polignac number, because 830472089 - 2¹² = 830467993 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (830472079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415236044 + 415236045.

It is an arithmetic number, because the mean of its divisors is an integer number (415236045).

Almost surely, 2^830472089 is an apocalyptic number.

It is an amenable number.

830472089 is a deficient number, since it is larger than the sum of its proper divisors (1).

830472089 is an equidigital number, since it uses as much as digits as its factorization.

830472089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 830472089 is about 28817.9126412723. The cubic root of 830472089 is about 939.9577802827.

The spelling of 830472089 in words is "eight hundred thirty million, four hundred seventy-two thousand, eighty-nine".