836045897 has 2 divisors, whose sum is σ = 836045898. Its totient is φ = 836045896.

The previous prime is 836045893. The next prime is 836045911. The reversal of 836045897 is 798540638.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 736525321 + 99520576 = 27139^2 + 9976^2 .

It is a cyclic number.

It is not a de Polignac number, because 836045897 - 2² = 836045893 is a prime.

It is not a weakly prime, because it can be changed into another prime (836045893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 418022948 + 418022949.

It is an arithmetic number, because the mean of its divisors is an integer number (418022949).

Almost surely, 2^836045897 is an apocalyptic number.

It is an amenable number.

836045897 is a deficient number, since it is larger than the sum of its proper divisors (1).

836045897 is an equidigital number, since it uses as much as digits as its factorization.

836045897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The square root of 836045897 is about 28914.4582691774. The cubic root of 836045897 is about 942.0559710734.

The spelling of 836045897 in words is "eight hundred thirty-six million, forty-five thousand, eight hundred ninety-seven".