84448859 has 4 divisors (see below), whose sum is σ = 92126040. Its totient is φ = 76771680.

The previous prime is 84448849. The next prime is 84448907. The reversal of 84448859 is 95884448.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84448859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84448829) 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, 3838574 + ... + 3838595.

It is an arithmetic number, because the mean of its divisors is an integer number (23031510).

Almost surely, 2^84448859 is an apocalyptic number.

84448859 is a deficient number, since it is larger than the sum of its proper divisors (7677181).

84448859 is a wasteful number, since it uses less digits than its factorization.

84448859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7677180.

The product of its digits is 1474560, while the sum is 50.

The square root of 84448859 is about 9189.6060307284. The cubic root of 84448859 is about 438.7306026819.

The spelling of 84448859 in words is "eighty-four million, four hundred forty-eight thousand, eight hundred fifty-nine".