834889151 has 2 divisors, whose sum is σ = 834889152. Its totient is φ = 834889150.

The previous prime is 834889123. The next prime is 834889157. The reversal of 834889151 is 151988438.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-834889151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 834889096 and 834889105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (834889157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 417444575 + 417444576.

It is an arithmetic number, because the mean of its divisors is an integer number (417444576).

Almost surely, 2^834889151 is an apocalyptic number.

834889151 is a deficient number, since it is larger than the sum of its proper divisors (1).

834889151 is an equidigital number, since it uses as much as digits as its factorization.

834889151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 276480, while the sum is 47.

The square root of 834889151 is about 28894.4484460251. The cubic root of 834889151 is about 941.6212969953.

The spelling of 834889151 in words is "eight hundred thirty-four million, eight hundred eighty-nine thousand, one hundred fifty-one".