830290091 has 2 divisors, whose sum is σ = 830290092. Its totient is φ = 830290090.

The previous prime is 830290051. The next prime is 830290129. The reversal of 830290091 is 190092038.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 830290091 - 2¹⁴ = 830273707 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (830290001) 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 as a sum of consecutive naturals, namely, 415145045 + 415145046.

It is an arithmetic number, because the mean of its divisors is an integer number (415145046).

Almost surely, 2^830290091 is an apocalyptic number.

830290091 is a deficient number, since it is larger than the sum of its proper divisors (1).

830290091 is an equidigital number, since it uses as much as digits as its factorization.

830290091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 830290091 is about 28814.7547447484. The cubic root of 830290091 is about 939.8891113346.

The spelling of 830290091 in words is "eight hundred thirty million, two hundred ninety thousand, ninety-one".