84312867 has 8 divisors (see below), whose sum is σ = 114095296. Its totient is φ = 55369512.

The previous prime is 84312859. The next prime is 84312869. The reversal of 84312867 is 76821348.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84312867 - 2³ = 84312859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84312869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209533 + ... + 209934.

It is an arithmetic number, because the mean of its divisors is an integer number (14261912).

Almost surely, 2^84312867 is an apocalyptic number.

84312867 is a deficient number, since it is larger than the sum of its proper divisors (29782429).

84312867 is a wasteful number, since it uses less digits than its factorization.

84312867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419537.

The product of its digits is 64512, while the sum is 39.

The square root of 84312867 is about 9182.2038204344. The cubic root of 84312867 is about 438.4949732607.

The spelling of 84312867 in words is "eighty-four million, three hundred twelve thousand, eight hundred sixty-seven".