84273863 has 4 divisors (see below), whose sum is σ = 87937968. Its totient is φ = 80609760.

The previous prime is 84273859. The next prime is 84273881. The reversal of 84273863 is 36837248.

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 84273863 - 2² = 84273859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84273863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84273853) 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, 1832018 + ... + 1832063.

It is an arithmetic number, because the mean of its divisors is an integer number (21984492).

Almost surely, 2^84273863 is an apocalyptic number.

84273863 is a deficient number, since it is larger than the sum of its proper divisors (3664105).

84273863 is a wasteful number, since it uses less digits than its factorization.

84273863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3664104.

The product of its digits is 193536, while the sum is 41.

The square root of 84273863 is about 9180.0796837500. The cubic root of 84273863 is about 438.4273454020.

The spelling of 84273863 in words is "eighty-four million, two hundred seventy-three thousand, eight hundred sixty-three".