84718812 has 24 divisors (see below), whose sum is σ = 199429776. Its totient is φ = 27989248.

The previous prime is 84718811. The next prime is 84718817. The reversal of 84718812 is 21881748.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84718811) 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 7 ways as a sum of consecutive naturals, for example, 29883 + ... + 32594.

It is an arithmetic number, because the mean of its divisors is an integer number (8309574).

Almost surely, 2^84718812 is an apocalyptic number.

It is an amenable number.

84718812 is an abundant number, since it is smaller than the sum of its proper divisors (114710964).

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

84718812 is a wasteful number, since it uses less digits than its factorization.

84718812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62597 (or 62595 counting only the distinct ones).

The product of its digits is 28672, while the sum is 39.

The square root of 84718812 is about 9204.2822642507. The cubic root of 84718812 is about 439.1975940559.

The spelling of 84718812 in words is "eighty-four million, seven hundred eighteen thousand, eight hundred twelve".