84041814047 has 4 divisors (see below), whose sum is σ = 84043361136. Its totient is φ = 84040266960.

The previous prime is 84041814019. The next prime is 84041814061. The reversal of 84041814047 is 74041814048.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84041814047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84041813995 and 84041814013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84041874047) 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, 688979 + ... + 801732.

It is an arithmetic number, because the mean of its divisors is an integer number (21010840284).

Almost surely, 2^84041814047 is an apocalyptic number.

84041814047 is a deficient number, since it is larger than the sum of its proper divisors (1547089).

84041814047 is a wasteful number, since it uses less digits than its factorization.

84041814047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547088.

The product of its (nonzero) digits is 114688, while the sum is 41.

Subtracting from 84041814047 its reverse (74041814048), we obtain a palindrome (9999999999).

The spelling of 84041814047 in words is "eighty-four billion, forty-one million, eight hundred fourteen thousand, forty-seven".