84384059771 has 4 divisors (see below), whose sum is σ = 92055337944. Its totient is φ = 76712781600.

The previous prime is 84384059737. The next prime is 84384059779. The reversal of 84384059771 is 17795048348.

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 84384059771 - 2¹⁰ = 84384058747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84384059779) 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, 3835639070 + ... + 3835639091.

It is an arithmetic number, because the mean of its divisors is an integer number (23013834486).

Almost surely, 2^84384059771 is an apocalyptic number.

84384059771 is a deficient number, since it is larger than the sum of its proper divisors (7671278173).

84384059771 is a wasteful number, since it uses less digits than its factorization.

84384059771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7671278172.

The product of its (nonzero) digits is 6773760, while the sum is 56.

The spelling of 84384059771 in words is "eighty-four billion, three hundred eighty-four million, fifty-nine thousand, seven hundred seventy-one".