847880147 has 2 divisors, whose sum is σ = 847880148. Its totient is φ = 847880146.

The previous prime is 847880051. The next prime is 847880191. The reversal of 847880147 is 741088748.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 847880147 - 2²⁴ = 831102931 is a prime.

It is not a weakly prime, because it can be changed into another prime (847880347) 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, 423940073 + 423940074.

It is an arithmetic number, because the mean of its divisors is an integer number (423940074).

Almost surely, 2^847880147 is an apocalyptic number.

847880147 is a deficient number, since it is larger than the sum of its proper divisors (1).

847880147 is an equidigital number, since it uses as much as digits as its factorization.

847880147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 401408, while the sum is 47.

The square root of 847880147 is about 29118.3815999447. The cubic root of 847880147 is about 946.4801034333.

The spelling of 847880147 in words is "eight hundred forty-seven million, eight hundred eighty thousand, one hundred forty-seven".