84103147 has 2 divisors, whose sum is σ = 84103148. Its totient is φ = 84103146.

The previous prime is 84103127. The next prime is 84103169. The reversal of 84103147 is 74130148.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84103147 - 2¹¹ = 84101099 is a prime.

It is not a weakly prime, because it can be changed into another prime (84103127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42051573 + 42051574.

It is an arithmetic number, because the mean of its divisors is an integer number (42051574).

Almost surely, 2^84103147 is an apocalyptic number.

84103147 is a deficient number, since it is larger than the sum of its proper divisors (1).

84103147 is an equidigital number, since it uses as much as digits as its factorization.

84103147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 84103147 is about 9170.7767937073. The cubic root of 84103147 is about 438.1311002927.

The spelling of 84103147 in words is "eighty-four million, one hundred three thousand, one hundred forty-seven".