830091497117 has 2 divisors, whose sum is σ = 830091497118. Its totient is φ = 830091497116.

The previous prime is 830091497093. The next prime is 830091497119. The reversal of 830091497117 is 711794190038.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 756145028356 + 73946468761 = 869566^2 + 271931^2 .

It is a cyclic number.

It is not a de Polignac number, because 830091497117 - 2²⁶ = 830024388253 is a prime.

Together with 830091497119, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (830091497119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415045748558 + 415045748559.

It is an arithmetic number, because the mean of its divisors is an integer number (415045748559).

Almost surely, 2^830091497117 is an apocalyptic number.

It is an amenable number.

830091497117 is a deficient number, since it is larger than the sum of its proper divisors (1).

830091497117 is an equidigital number, since it uses as much as digits as its factorization.

830091497117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 381024, while the sum is 50.

The spelling of 830091497117 in words is "eight hundred thirty billion, ninety-one million, four hundred ninety-seven thousand, one hundred seventeen".