83676181 has 2 divisors, whose sum is σ = 83676182. Its totient is φ = 83676180.

The previous prime is 83676167. The next prime is 83676199. The reversal of 83676181 is 18167638.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66161956 + 17514225 = 8134^2 + 4185^2 .

It is a cyclic number.

It is not a de Polignac number, because 83676181 - 2⁵ = 83676149 is a prime.

It is a super-2 number, since 2×83676181² = 14003406533489522, which contains 22 as substring.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83673181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41838090 + 41838091.

It is an arithmetic number, because the mean of its divisors is an integer number (41838091).

Almost surely, 2^83676181 is an apocalyptic number.

It is an amenable number.

83676181 is a deficient number, since it is larger than the sum of its proper divisors (1).

83676181 is an equidigital number, since it uses as much as digits as its factorization.

83676181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 40.

The square root of 83676181 is about 9147.4685569287. The cubic root of 83676181 is about 437.3884228118.

The spelling of 83676181 in words is "eighty-three million, six hundred seventy-six thousand, one hundred eighty-one".