84064856 has 32 divisors (see below), whose sum is σ = 160688640. Its totient is φ = 41223168.

The previous prime is 84064843. The next prime is 84064891. The reversal of 84064856 is 65846048.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98126 + ... + 98978.

It is an arithmetic number, because the mean of its divisors is an integer number (5021520).

Almost surely, 2^84064856 is an apocalyptic number.

It is an amenable number.

84064856 is a deficient number, since it is larger than the sum of its proper divisors (76623784).

84064856 is a wasteful number, since it uses less digits than its factorization.

84064856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083 (or 1079 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 41.

The square root of 84064856 is about 9168.6888920936. The cubic root of 84064856 is about 438.0645985218.

The spelling of 84064856 in words is "eighty-four million, sixty-four thousand, eight hundred fifty-six".