84315347 has 2 divisors, whose sum is σ = 84315348. Its totient is φ = 84315346.

The previous prime is 84315323. The next prime is 84315349. The reversal of 84315347 is 74351348.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84315347 is a prime.

Together with 84315349, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (84315349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42157673 + 42157674.

It is an arithmetic number, because the mean of its divisors is an integer number (42157674).

Almost surely, 2^84315347 is an apocalyptic number.

84315347 is a deficient number, since it is larger than the sum of its proper divisors (1).

84315347 is an equidigital number, since it uses as much as digits as its factorization.

84315347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 35.

The square root of 84315347 is about 9182.3388632744. The cubic root of 84315347 is about 438.4992725526.

The spelling of 84315347 in words is "eighty-four million, three hundred fifteen thousand, three hundred forty-seven".