836990827 has 2 divisors, whose sum is σ = 836990828. Its totient is φ = 836990826.

The previous prime is 836990809. The next prime is 836990849. The reversal of 836990827 is 728099638.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-836990827 is a prime.

It is not a weakly prime, because it can be changed into another prime (836990857) 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, 418495413 + 418495414.

It is an arithmetic number, because the mean of its divisors is an integer number (418495414).

Almost surely, 2^836990827 is an apocalyptic number.

836990827 is a deficient number, since it is larger than the sum of its proper divisors (1).

836990827 is an equidigital number, since it uses as much as digits as its factorization.

836990827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The square root of 836990827 is about 28930.7937499129. The cubic root of 836990827 is about 942.4107529468.

The spelling of 836990827 in words is "eight hundred thirty-six million, nine hundred ninety thousand, eight hundred twenty-seven".