84104347 has 2 divisors, whose sum is σ = 84104348. Its totient is φ = 84104346.

The previous prime is 84104311. The next prime is 84104357. The reversal of 84104347 is 74340148.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84104347 is a prime.

It is not a weakly prime, because it can be changed into another prime (84104357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42052173 + 42052174.

It is an arithmetic number, because the mean of its divisors is an integer number (42052174).

Almost surely, 2^84104347 is an apocalyptic number.

84104347 is a deficient number, since it is larger than the sum of its proper divisors (1).

84104347 is an equidigital number, since it uses as much as digits as its factorization.

84104347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 84104347 is about 9170.8422186842. The cubic root of 84104347 is about 438.1331840626.

The spelling of 84104347 in words is "eighty-four million, one hundred four thousand, three hundred forty-seven".