65671927 has 2 divisors, whose sum is σ = 65671928. Its totient is φ = 65671926.

The previous prime is 65671913. The next prime is 65671951. The reversal of 65671927 is 72917656.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65671927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65671987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32835963 + 32835964.

It is an arithmetic number, because the mean of its divisors is an integer number (32835964).

Almost surely, 2^65671927 is an apocalyptic number.

65671927 is a deficient number, since it is larger than the sum of its proper divisors (1).

65671927 is an equidigital number, since it uses as much as digits as its factorization.

65671927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 158760, while the sum is 43.

The square root of 65671927 is about 8103.8217527288. The cubic root of 65671927 is about 403.4532825553.

The spelling of 65671927 in words is "sixty-five million, six hundred seventy-one thousand, nine hundred twenty-seven".