84855916 has 12 divisors (see below), whose sum is σ = 148592920. Its totient is φ = 42400800.

The previous prime is 84855913. The next prime is 84855917. The reversal of 84855916 is 61955848.

It is not an unprimeable number, because it can be changed into a prime (84855913) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1315 + ... + 13093.

Almost surely, 2^84855916 is an apocalyptic number.

It is an amenable number.

84855916 is a deficient number, since it is larger than the sum of its proper divisors (63737004).

84855916 is a wasteful number, since it uses less digits than its factorization.

84855916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13584 (or 13582 counting only the distinct ones).

The product of its digits is 345600, while the sum is 46.

The square root of 84855916 is about 9211.7270910508. The cubic root of 84855916 is about 439.4343903134.

The spelling of 84855916 in words is "eighty-four million, eight hundred fifty-five thousand, nine hundred sixteen".