83170873 has 2 divisors, whose sum is σ = 83170874. Its totient is φ = 83170872.

The previous prime is 83170859. The next prime is 83170937. The reversal of 83170873 is 37807138.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75481344 + 7689529 = 8688^2 + 2773^2 .

It is a cyclic number.

It is not a de Polignac number, because 83170873 - 2⁹ = 83170361 is a prime.

It is equal to p_4843639 and since 83170873 and 4843639 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (83170853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41585436 + 41585437.

It is an arithmetic number, because the mean of its divisors is an integer number (41585437).

Almost surely, 2^83170873 is an apocalyptic number.

It is an amenable number.

83170873 is a deficient number, since it is larger than the sum of its proper divisors (1).

83170873 is an equidigital number, since it uses as much as digits as its factorization.

83170873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 83170873 is about 9119.8066317220. The cubic root of 83170873 is about 436.5062033673.

The spelling of 83170873 in words is "eighty-three million, one hundred seventy thousand, eight hundred seventy-three".