84348287 has 2 divisors, whose sum is σ = 84348288. Its totient is φ = 84348286.

The previous prime is 84348283. The next prime is 84348289. The reversal of 84348287 is 78284348.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84348287 - 2² = 84348283 is a prime.

It is a super-2 number, since 2×84348287² = 14229267039668738, which contains 22 as substring.

Together with 84348289, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84348283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42174143 + 42174144.

It is an arithmetic number, because the mean of its divisors is an integer number (42174144).

Almost surely, 2^84348287 is an apocalyptic number.

84348287 is a deficient number, since it is larger than the sum of its proper divisors (1).

84348287 is an equidigital number, since it uses as much as digits as its factorization.

84348287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 344064, while the sum is 44.

The square root of 84348287 is about 9184.1323487851. The cubic root of 84348287 is about 438.5563688621.

The spelling of 84348287 in words is "eighty-four million, three hundred forty-eight thousand, two hundred eighty-seven".