65317699 has 4 divisors (see below), whose sum is σ = 66212536. Its totient is φ = 64422864.

The previous prime is 65317673. The next prime is 65317711. The reversal of 65317699 is 99671356.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65317699 - 2¹⁹ = 64793411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65317669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447309 + ... + 447454.

It is an arithmetic number, because the mean of its divisors is an integer number (16553134).

Almost surely, 2^65317699 is an apocalyptic number.

65317699 is a deficient number, since it is larger than the sum of its proper divisors (894837).

65317699 is an equidigital number, since it uses as much as digits as its factorization.

65317699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894836.

The product of its digits is 306180, while the sum is 46.

The square root of 65317699 is about 8081.9365872296. The cubic root of 65317699 is about 402.7265784458.

The spelling of 65317699 in words is "sixty-five million, three hundred seventeen thousand, six hundred ninety-nine".