65868797 has 4 divisors (see below), whose sum is σ = 65936256. Its totient is φ = 65801340.

The previous prime is 65868791. The next prime is 65868823. The reversal of 65868797 is 79786856.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65868797 - 2¹⁶ = 65803261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65868791) 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, 32243 + ... + 34224.

It is an arithmetic number, because the mean of its divisors is an integer number (16484064).

Almost surely, 2^65868797 is an apocalyptic number.

It is an amenable number.

65868797 is a deficient number, since it is larger than the sum of its proper divisors (67459).

65868797 is an equidigital number, since it uses as much as digits as its factorization.

65868797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67458.

The product of its digits is 5080320, while the sum is 56.

The square root of 65868797 is about 8115.9594010813. The cubic root of 65868797 is about 403.8560351175.

The spelling of 65868797 in words is "sixty-five million, eight hundred sixty-eight thousand, seven hundred ninety-seven".