84677171 has 2 divisors, whose sum is σ = 84677172. Its totient is φ = 84677170.

The previous prime is 84677149. The next prime is 84677189. The reversal of 84677171 is 17177648.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84677171 - 2¹⁴ = 84660787 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (84677111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42338585 + 42338586.

It is an arithmetic number, because the mean of its divisors is an integer number (42338586).

Almost surely, 2^84677171 is an apocalyptic number.

84677171 is a deficient number, since it is larger than the sum of its proper divisors (1).

84677171 is an equidigital number, since it uses as much as digits as its factorization.

84677171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 65856, while the sum is 41.

The square root of 84677171 is about 9202.0199412955. The cubic root of 84677171 is about 439.1256241127.

It can be divided in two parts, 84677 and 171, that added together give a palindrome (84848).

The spelling of 84677171 in words is "eighty-four million, six hundred seventy-seven thousand, one hundred seventy-one".