84786321966 has 16 divisors (see below), whose sum is σ = 169576875984. Its totient is φ = 28261401984.

The previous prime is 84786321953. The next prime is 84786322001. The reversal of 84786321966 is 66912368748.

It is a congruent 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, 123270 + ... + 429846.

It is an arithmetic number, because the mean of its divisors is an integer number (10598554749).

Almost surely, 2^84786321966 is an apocalyptic number.

84786321966 is an abundant number, since it is smaller than the sum of its proper divisors (84790554018).

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

84786321966 is a wasteful number, since it uses less digits than its factorization.

84786321966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352675.

The product of its digits is 20901888, while the sum is 60.

The spelling of 84786321966 in words is "eighty-four billion, seven hundred eighty-six million, three hundred twenty-one thousand, nine hundred sixty-six".