84533879 has 2 divisors, whose sum is σ = 84533880. Its totient is φ = 84533878.

The previous prime is 84533873. The next prime is 84533893. The reversal of 84533879 is 97833548.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84533879 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84533873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42266939 + 42266940.

It is an arithmetic number, because the mean of its divisors is an integer number (42266940).

Almost surely, 2^84533879 is an apocalyptic number.

84533879 is a deficient number, since it is larger than the sum of its proper divisors (1).

84533879 is an equidigital number, since it uses as much as digits as its factorization.

84533879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 47.

The square root of 84533879 is about 9194.2307454186. The cubic root of 84533879 is about 438.8777859025.

The spelling of 84533879 in words is "eighty-four million, five hundred thirty-three thousand, eight hundred seventy-nine".