834955117 has 2 divisors, whose sum is σ = 834955118. Its totient is φ = 834955116.

The previous prime is 834955111. The next prime is 834955213. The reversal of 834955117 is 711559438.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 623950441 + 211004676 = 24979^2 + 14526^2 .

It is a cyclic number.

It is not a de Polignac number, because 834955117 - 2²³ = 826566509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (834955111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 417477558 + 417477559.

It is an arithmetic number, because the mean of its divisors is an integer number (417477559).

Almost surely, 2^834955117 is an apocalyptic number.

It is an amenable number.

834955117 is a deficient number, since it is larger than the sum of its proper divisors (1).

834955117 is an equidigital number, since it uses as much as digits as its factorization.

834955117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 43.

The square root of 834955117 is about 28895.5899230315. The cubic root of 834955117 is about 941.6460960378.

The spelling of 834955117 in words is "eight hundred thirty-four million, nine hundred fifty-five thousand, one hundred seventeen".