838316147 has 2 divisors, whose sum is σ = 838316148. Its totient is φ = 838316146.

The previous prime is 838316123. The next prime is 838316153. The reversal of 838316147 is 741613838.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 838316147 - 2¹⁰ = 838315123 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (838316117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 419158073 + 419158074.

It is an arithmetic number, because the mean of its divisors is an integer number (419158074).

Almost surely, 2^838316147 is an apocalyptic number.

838316147 is a deficient number, since it is larger than the sum of its proper divisors (1).

838316147 is an equidigital number, since it uses as much as digits as its factorization.

838316147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 41.

The square root of 838316147 is about 28953.6896957883. The cubic root of 838316147 is about 942.9079058123.

The spelling of 838316147 in words is "eight hundred thirty-eight million, three hundred sixteen thousand, one hundred forty-seven".