84374863 has 4 divisors (see below), whose sum is σ = 85039360. Its totient is φ = 83710368.

The previous prime is 84374827. The next prime is 84374867. The reversal of 84374863 is 36847348.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 84374863 - 2¹⁷ = 84243791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84374867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332058 + ... + 332311.

It is an arithmetic number, because the mean of its divisors is an integer number (21259840).

Almost surely, 2^84374863 is an apocalyptic number.

84374863 is a deficient number, since it is larger than the sum of its proper divisors (664497).

84374863 is a wasteful number, since it uses less digits than its factorization.

84374863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664496.

The product of its digits is 387072, while the sum is 43.

The square root of 84374863 is about 9185.5790780985. The cubic root of 84374863 is about 438.6024233449.

The spelling of 84374863 in words is "eighty-four million, three hundred seventy-four thousand, eight hundred sixty-three".