84230882171 has 2 divisors, whose sum is σ = 84230882172. Its totient is φ = 84230882170.

The previous prime is 84230882143. The next prime is 84230882207. The reversal of 84230882171 is 17128803248.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84230882171 is a prime.

It is a super-2 number, since 2×84230882171² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (84230882101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42115441085 + 42115441086.

It is an arithmetic number, because the mean of its divisors is an integer number (42115441086).

Almost surely, 2^84230882171 is an apocalyptic number.

84230882171 is a deficient number, since it is larger than the sum of its proper divisors (1).

84230882171 is an equidigital number, since it uses as much as digits as its factorization.

84230882171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172032, while the sum is 44.

The spelling of 84230882171 in words is "eighty-four billion, two hundred thirty million, eight hundred eighty-two thousand, one hundred seventy-one".