65880767863927 has 2 divisors, whose sum is σ = 65880767863928. Its totient is φ = 65880767863926.

The previous prime is 65880767863901. The next prime is 65880767863961. The reversal of 65880767863927 is 72936876708856.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65880767863927 - 2¹¹ = 65880767861879 is a prime.

It is a super-2 number, since 2×65880767863927² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65880767861927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32940383931963 + 32940383931964.

It is an arithmetic number, because the mean of its divisors is an integer number (32940383931964).

Almost surely, 2^{65880767863927} is an apocalyptic number.

65880767863927 is a deficient number, since it is larger than the sum of its proper divisors (1).

65880767863927 is an equidigital number, since it uses as much as digits as its factorization.

65880767863927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10241925120, while the sum is 82.

The spelling of 65880767863927 in words is "sixty-five trillion, eight hundred eighty billion, seven hundred sixty-seven million, eight hundred sixty-three thousand, nine hundred twenty-seven".