834855157 has 2 divisors, whose sum is σ = 834855158. Its totient is φ = 834855156.

The previous prime is 834855143. The next prime is 834855167. The reversal of 834855157 is 751558438.

834855157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 796029796 + 38825361 = 28214^2 + 6231^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-834855157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (834855107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 417427578 + 417427579.

It is an arithmetic number, because the mean of its divisors is an integer number (417427579).

Almost surely, 2^834855157 is an apocalyptic number.

It is an amenable number.

834855157 is a deficient number, since it is larger than the sum of its proper divisors (1).

834855157 is an equidigital number, since it uses as much as digits as its factorization.

834855157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 672000, while the sum is 46.

The square root of 834855157 is about 28893.8601955502. The cubic root of 834855157 is about 941.6085168920.

The spelling of 834855157 in words is "eight hundred thirty-four million, eight hundred fifty-five thousand, one hundred fifty-seven".