836040427 has 2 divisors, whose sum is σ = 836040428. Its totient is φ = 836040426.

The previous prime is 836040421. The next prime is 836040431. The reversal of 836040427 is 724040638.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 836040427 - 2²³ = 827651819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 836040392 and 836040401.

It is not a weakly prime, because it can be changed into another prime (836040421) 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, 418020213 + 418020214.

It is an arithmetic number, because the mean of its divisors is an integer number (418020214).

Almost surely, 2^836040427 is an apocalyptic number.

836040427 is a deficient number, since it is larger than the sum of its proper divisors (1).

836040427 is an equidigital number, since it uses as much as digits as its factorization.

836040427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 836040427 is about 28914.3636796662. The cubic root of 836040427 is about 942.0539165381.

The spelling of 836040427 in words is "eight hundred thirty-six million, forty thousand, four hundred twenty-seven".