65727983 has 2 divisors, whose sum is σ = 65727984. Its totient is φ = 65727982.

The previous prime is 65727971. The next prime is 65728031. The reversal of 65727983 is 38972756.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65727983 - 2¹⁰ = 65726959 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65727913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32863991 + 32863992.

It is an arithmetic number, because the mean of its divisors is an integer number (32863992).

Almost surely, 2^65727983 is an apocalyptic number.

65727983 is a deficient number, since it is larger than the sum of its proper divisors (1).

65727983 is an equidigital number, since it uses as much as digits as its factorization.

65727983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 635040, while the sum is 47.

The square root of 65727983 is about 8107.2796300609. The cubic root of 65727983 is about 403.5680426285.

The spelling of 65727983 in words is "sixty-five million, seven hundred twenty-seven thousand, nine hundred eighty-three".