84886539812 has 6 divisors (see below), whose sum is σ = 148551444678. Its totient is φ = 42443269904.

The previous prime is 84886539791. The next prime is 84886539817. The reversal of 84886539812 is 21893568848.

It can be written as a sum of positive squares in only one way, i.e., 82980868096 + 1905671716 = 288064^2 + 43654^2 .

It is not an unprimeable number, because it can be changed into a prime (84886539817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10610817473 + ... + 10610817480.

It is an arithmetic number, because the mean of its divisors is an integer number (24758574113).

Almost surely, 2^84886539812 is an apocalyptic number.

It is an amenable number.

84886539812 is a deficient number, since it is larger than the sum of its proper divisors (63664904866).

84886539812 is a wasteful number, since it uses less digits than its factorization.

84886539812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21221634957 (or 21221634955 counting only the distinct ones).

The product of its digits is 26542080, while the sum is 62.

The spelling of 84886539812 in words is "eighty-four billion, eight hundred eighty-six million, five hundred thirty-nine thousand, eight hundred twelve".