838150207 has 2 divisors, whose sum is σ = 838150208. Its totient is φ = 838150206.

The previous prime is 838150177. The next prime is 838150213. The reversal of 838150207 is 702051838.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-838150207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (838150237) 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, 419075103 + 419075104.

It is an arithmetic number, because the mean of its divisors is an integer number (419075104).

Almost surely, 2^838150207 is an apocalyptic number.

838150207 is a deficient number, since it is larger than the sum of its proper divisors (1).

838150207 is an equidigital number, since it uses as much as digits as its factorization.

838150207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 838150207 is about 28950.8239433699. The cubic root of 838150207 is about 942.8456872553.

The spelling of 838150207 in words is "eight hundred thirty-eight million, one hundred fifty thousand, two hundred seven".