65716711 has 2 divisors, whose sum is σ = 65716712. Its totient is φ = 65716710.

The previous prime is 65716709. The next prime is 65716723. The reversal of 65716711 is 11761756.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65716711 - 2¹ = 65716709 is a prime.

It is a super-2 number, since 2×65716711² = 8637372209315042, which contains 22 as substring.

Together with 65716709, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65716751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32858355 + 32858356.

It is an arithmetic number, because the mean of its divisors is an integer number (32858356).

Almost surely, 2^65716711 is an apocalyptic number.

65716711 is a deficient number, since it is larger than the sum of its proper divisors (1).

65716711 is an equidigital number, since it uses as much as digits as its factorization.

65716711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8820, while the sum is 34.

The square root of 65716711 is about 8106.5844225543. The cubic root of 65716711 is about 403.5449713842.

The spelling of 65716711 in words is "sixty-five million, seven hundred sixteen thousand, seven hundred eleven".