84166666764 has 24 divisors (see below), whose sum is σ = 196397401200. Its totient is φ = 28054339584.

The previous prime is 84166666757. The next prime is 84166666789. The reversal of 84166666764 is 46766666148.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 84166666698 and 84166666707.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 162412 + ... + 441260.

It is an arithmetic number, because the mean of its divisors is an integer number (8183225050).

Almost surely, 2^84166666764 is an apocalyptic number.

It is an amenable number.

84166666764 is an abundant number, since it is smaller than the sum of its proper divisors (112230734436).

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

84166666764 is a wasteful number, since it uses less digits than its factorization.

84166666764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304009 (or 304007 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 60.

The spelling of 84166666764 in words is "eighty-four billion, one hundred sixty-six million, six hundred sixty-six thousand, seven hundred sixty-four".