84166666753 has 8 divisors (see below), whose sum is σ = 90977985000. Its totient is φ = 77403485568.

The previous prime is 84166666751. The next prime is 84166666757. The reversal of 84166666753 is 35766666148.

It can be written as a sum of positive squares in 4 ways, for example, as 7424924224 + 76741742529 = 86168^2 + 277023^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84166666753 - 2¹ = 84166666751 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84166666751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12030628 + ... + 12037621.

It is an arithmetic number, because the mean of its divisors is an integer number (11372248125).

Almost surely, 2^84166666753 is an apocalyptic number.

It is an amenable number.

84166666753 is a deficient number, since it is larger than the sum of its proper divisors (6811318247).

84166666753 is a wasteful number, since it uses less digits than its factorization.

84166666753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24068531.

The product of its digits is 26127360, while the sum is 58.

The spelling of 84166666753 in words is "eighty-four billion, one hundred sixty-six million, six hundred sixty-six thousand, seven hundred fifty-three".