84455339 has 2 divisors, whose sum is σ = 84455340. Its totient is φ = 84455338.

The previous prime is 84455321. The next prime is 84455347. The reversal of 84455339 is 93355448.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84455339 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 84455296 and 84455305.

It is not a weakly prime, because it can be changed into another prime (84455359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42227669 + 42227670.

It is an arithmetic number, because the mean of its divisors is an integer number (42227670).

Almost surely, 2^84455339 is an apocalyptic number.

84455339 is a deficient number, since it is larger than the sum of its proper divisors (1).

84455339 is an equidigital number, since it uses as much as digits as its factorization.

84455339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 41.

The square root of 84455339 is about 9189.9585962071. The cubic root of 84455339 is about 438.7418240753.

The spelling of 84455339 in words is "eighty-four million, four hundred fifty-five thousand, three hundred thirty-nine".