65960780863 has 2 divisors, whose sum is σ = 65960780864. Its totient is φ = 65960780862.

The previous prime is 65960780857. The next prime is 65960780891. The reversal of 65960780863 is 36808706956.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65960780863 is a prime.

It is a super-2 number, since 2×65960780863² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65960780798 and 65960780807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65960780803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32980390431 + 32980390432.

It is an arithmetic number, because the mean of its divisors is an integer number (32980390432).

Almost surely, 2^65960780863 is an apocalyptic number.

65960780863 is a deficient number, since it is larger than the sum of its proper divisors (1).

65960780863 is an equidigital number, since it uses as much as digits as its factorization.

65960780863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13063680, while the sum is 58.

The spelling of 65960780863 in words is "sixty-five billion, nine hundred sixty million, seven hundred eighty thousand, eight hundred sixty-three".