836086513 has 2 divisors, whose sum is σ = 836086514. Its totient is φ = 836086512.

The previous prime is 836086499. The next prime is 836086519. The reversal of 836086513 is 315680638.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 508186849 + 327899664 = 22543^2 + 18108^2 .

It is a cyclic number.

It is not a de Polignac number, because 836086513 - 2²⁹ = 299215601 is a prime.

It is not a weakly prime, because it can be changed into another prime (836086519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 418043256 + 418043257.

It is an arithmetic number, because the mean of its divisors is an integer number (418043257).

Almost surely, 2^836086513 is an apocalyptic number.

It is an amenable number.

836086513 is a deficient number, since it is larger than the sum of its proper divisors (1).

836086513 is an equidigital number, since it uses as much as digits as its factorization.

836086513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 836086513 is about 28915.1606082346. The cubic root of 836086513 is about 942.0712261871.

The spelling of 836086513 in words is "eight hundred thirty-six million, eighty-six thousand, five hundred thirteen".