830775089 has 2 divisors, whose sum is σ = 830775090. Its totient is φ = 830775088.

The previous prime is 830775079. The next prime is 830775103. The reversal of 830775089 is 980577038.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 829900864 + 874225 = 28808^2 + 935^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-830775089 is a prime.

It is not a weakly prime, because it can be changed into another prime (830775079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415387544 + 415387545.

It is an arithmetic number, because the mean of its divisors is an integer number (415387545).

Almost surely, 2^830775089 is an apocalyptic number.

It is an amenable number.

830775089 is a deficient number, since it is larger than the sum of its proper divisors (1).

830775089 is an equidigital number, since it uses as much as digits as its factorization.

830775089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 47.

The square root of 830775089 is about 28823.1693087349. The cubic root of 830775089 is about 940.0720817668.

The spelling of 830775089 in words is "eight hundred thirty million, seven hundred seventy-five thousand, eighty-nine".