84620890974066 has 16 divisors (see below), whose sum is σ = 171625469018688. Its totient is φ = 27809682479600.

The previous prime is 84620890974041. The next prime is 84620890974077. The reversal of 84620890974066 is 66047909802648.

84620890974066 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99320294145 + ... + 99320294996.

It is an arithmetic number, because the mean of its divisors is an integer number (10726591813668).

Almost surely, 2^{84620890974066} is an apocalyptic number.

84620890974066 is an abundant number, since it is smaller than the sum of its proper divisors (87004578044622).

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

84620890974066 is a wasteful number, since it uses less digits than its factorization.

84620890974066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198640589217.

The product of its (nonzero) digits is 250822656, while the sum is 69.

The spelling of 84620890974066 in words is "eighty-four trillion, six hundred twenty billion, eight hundred ninety million, nine hundred seventy-four thousand, sixty-six".