665424883 has 2 divisors, whose sum is σ = 665424884. Its totient is φ = 665424882.

The previous prime is 665424853. The next prime is 665424917. The reversal of 665424883 is 388424566.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 665424883 - 2⁹ = 665424371 is a prime.

It is not a weakly prime, because it can be changed into another prime (665424853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332712441 + 332712442.

It is an arithmetic number, because the mean of its divisors is an integer number (332712442).

Almost surely, 2^665424883 is an apocalyptic number.

665424883 is a deficient number, since it is larger than the sum of its proper divisors (1).

665424883 is an equidigital number, since it uses as much as digits as its factorization.

665424883 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1105920, while the sum is 46.

The square root of 665424883 is about 25795.8307290151. The cubic root of 665424883 is about 873.0377286400.

The spelling of 665424883 in words is "six hundred sixty-five million, four hundred twenty-four thousand, eight hundred eighty-three".