66867883 has 2 divisors, whose sum is σ = 66867884. Its totient is φ = 66867882.

The previous prime is 66867869. The next prime is 66867929. The reversal of 66867883 is 38876866.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66867883 - 2¹⁷ = 66736811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 66867883.

It is not a weakly prime, because it can be changed into another prime (66867683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33433941 + 33433942.

It is an arithmetic number, because the mean of its divisors is an integer number (33433942).

Almost surely, 2^66867883 is an apocalyptic number.

66867883 is a deficient number, since it is larger than the sum of its proper divisors (1).

66867883 is an equidigital number, since it uses as much as digits as its factorization.

66867883 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2322432, while the sum is 52.

The square root of 66867883 is about 8177.2784592430. The cubic root of 66867883 is about 405.8876694260.

The spelling of 66867883 in words is "sixty-six million, eight hundred sixty-seven thousand, eight hundred eighty-three".