84185266884 has 12 divisors (see below), whose sum is σ = 196432289424. Its totient is φ = 28061755624.

The previous prime is 84185266883. The next prime is 84185266889. The reversal of 84185266884 is 48866258148.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (84185266883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3507719442 + ... + 3507719465.

It is an arithmetic number, because the mean of its divisors is an integer number (16369357452).

Almost surely, 2^84185266884 is an apocalyptic number.

It is an amenable number.

84185266884 is an abundant number, since it is smaller than the sum of its proper divisors (112247022540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84185266884 is a wasteful number, since it uses less digits than its factorization.

84185266884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7015438914 (or 7015438912 counting only the distinct ones).

The product of its digits is 23592960, while the sum is 60.

The spelling of 84185266884 in words is "eighty-four billion, one hundred eighty-five million, two hundred sixty-six thousand, eight hundred eighty-four".