84041996823 has 8 divisors (see below), whose sum is σ = 124506662000. Its totient is φ = 56027997864.

The previous prime is 84041996821. The next prime is 84041996881. The reversal of 84041996823 is 32869914048.

It is not a de Polignac number, because 84041996823 - 2¹ = 84041996821 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84041996823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84041996821) by changing a digit.

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, 1556333248 + ... + 1556333301.

It is an arithmetic number, because the mean of its divisors is an integer number (15563332750).

Almost surely, 2^84041996823 is an apocalyptic number.

84041996823 is a deficient number, since it is larger than the sum of its proper divisors (40464665177).

84041996823 is a wasteful number, since it uses less digits than its factorization.

84041996823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3112666558 (or 3112666552 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 84041996823 in words is "eighty-four billion, forty-one million, nine hundred ninety-six thousand, eight hundred twenty-three".