84034822181 has 32 divisors (see below), whose sum is σ = 88803993600. Its totient is φ = 79414917120.

The previous prime is 84034822111. The next prime is 84034822187. The reversal of 84034822181 is 18122843048.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84034822181 is a prime.

It is a super-2 number, since 2×84034822181² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84034822187) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123037466 + ... + 123038148.

It is an arithmetic number, because the mean of its divisors is an integer number (2775124800).

Almost surely, 2^84034822181 is an apocalyptic number.

It is an amenable number.

84034822181 is a deficient number, since it is larger than the sum of its proper divisors (4769171419).

84034822181 is a wasteful number, since it uses less digits than its factorization.

84034822181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229.

The product of its (nonzero) digits is 98304, while the sum is 41.

The spelling of 84034822181 in words is "eighty-four billion, thirty-four million, eight hundred twenty-two thousand, one hundred eighty-one".