84986685564 has 96 divisors (see below), whose sum is σ = 221491286016. Its totient is φ = 25139782080.

The previous prime is 84986685559. The next prime is 84986685577. The reversal of 84986685564 is 46558668948.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12977739 + ... + 12984285.

It is an arithmetic number, because the mean of its divisors is an integer number (2307200896).

Almost surely, 2^84986685564 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84986685564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110745643008).

84986685564 is an abundant number, since it is smaller than the sum of its proper divisors (136504600452).

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

84986685564 is a wasteful number, since it uses less digits than its factorization.

84986685564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8895 (or 8893 counting only the distinct ones).

The product of its digits is 398131200, while the sum is 69.

The spelling of 84986685564 in words is "eighty-four billion, nine hundred eighty-six million, six hundred eighty-five thousand, five hundred sixty-four".