84312856 has 16 divisors (see below), whose sum is σ = 158470200. Its totient is φ = 42054144.

The previous prime is 84312853. The next prime is 84312859. The reversal of 84312856 is 65821348.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (84312853) and next prime (84312859).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84312853) 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, 9225 + ... + 15928.

Almost surely, 2^84312856 is an apocalyptic number.

It is an amenable number.

84312856 is a deficient number, since it is larger than the sum of its proper divisors (74157344).

84312856 is a wasteful number, since it uses less digits than its factorization.

84312856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25578 (or 25574 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 84312856 is about 9182.2032214496. The cubic root of 84312856 is about 438.4949541911.

The spelling of 84312856 in words is "eighty-four million, three hundred twelve thousand, eight hundred fifty-six".