838252867 has 2 divisors, whose sum is σ = 838252868. Its totient is φ = 838252866.

The previous prime is 838252861. The next prime is 838252889. The reversal of 838252867 is 768252838.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 838252867 - 2⁷ = 838252739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 838252867.

It is not a weakly prime, because it can be changed into another prime (838252861) 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, 419126433 + 419126434.

It is an arithmetic number, because the mean of its divisors is an integer number (419126434).

Almost surely, 2^838252867 is an apocalyptic number.

838252867 is a deficient number, since it is larger than the sum of its proper divisors (1).

838252867 is an equidigital number, since it uses as much as digits as its factorization.

838252867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1290240, while the sum is 49.

The square root of 838252867 is about 28952.5968956154. The cubic root of 838252867 is about 942.8841801913.

The spelling of 838252867 in words is "eight hundred thirty-eight million, two hundred fifty-two thousand, eight hundred sixty-seven".