838550107 has 2 divisors, whose sum is σ = 838550108. Its totient is φ = 838550106.

The previous prime is 838550099. The next prime is 838550131. The reversal of 838550107 is 701055838.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 838550107 - 2³ = 838550099 is a prime.

It is a super-2 number, since 2×838550107² = 1406332563899422898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (838554107) 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, 419275053 + 419275054.

It is an arithmetic number, because the mean of its divisors is an integer number (419275054).

Almost surely, 2^838550107 is an apocalyptic number.

838550107 is a deficient number, since it is larger than the sum of its proper divisors (1).

838550107 is an equidigital number, since it uses as much as digits as its factorization.

838550107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33600, while the sum is 37.

The square root of 838550107 is about 28957.7296589356. The cubic root of 838550107 is about 942.9956142564.

The spelling of 838550107 in words is "eight hundred thirty-eight million, five hundred fifty thousand, one hundred seven".