84755169679 has 4 divisors (see below), whose sum is σ = 84757232440. Its totient is φ = 84753106920.

The previous prime is 84755169659. The next prime is 84755169691. The reversal of 84755169679 is 97696155748.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 84755169679 - 2¹¹ = 84755167631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84755169649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 968469 + ... + 1052350.

It is an arithmetic number, because the mean of its divisors is an integer number (21189308110).

Almost surely, 2^84755169679 is an apocalyptic number.

84755169679 is a deficient number, since it is larger than the sum of its proper divisors (2062761).

84755169679 is a wasteful number, since it uses less digits than its factorization.

84755169679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062760.

The product of its digits is 114307200, while the sum is 67.

The spelling of 84755169679 in words is "eighty-four billion, seven hundred fifty-five million, one hundred sixty-nine thousand, six hundred seventy-nine".