84855664 has 10 divisors (see below), whose sum is σ = 164407880. Its totient is φ = 42427824.

The previous prime is 84855647. The next prime is 84855677. The reversal of 84855664 is 46655848.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2651724 + ... + 2651755.

It is an arithmetic number, because the mean of its divisors is an integer number (16440788).

Almost surely, 2^84855664 is an apocalyptic number.

It is an amenable number.

84855664 is a deficient number, since it is larger than the sum of its proper divisors (79552216).

84855664 is a wasteful number, since it uses less digits than its factorization.

84855664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5303487 (or 5303481 counting only the distinct ones).

The product of its digits is 921600, while the sum is 46.

The square root of 84855664 is about 9211.7134128239. The cubic root of 84855664 is about 439.4339553111.

The spelling of 84855664 in words is "eighty-four million, eight hundred fifty-five thousand, six hundred sixty-four".