65799427 has 6 divisors (see below), whose sum is σ = 66848964. Its totient is φ = 64751940.

The previous prime is 65799421. The next prime is 65799439. The reversal of 65799427 is 72499756.

It is not a de Polignac number, because 65799427 - 2¹¹ = 65797379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65799421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65902 + ... + 66892.

It is an arithmetic number, because the mean of its divisors is an integer number (11141494).

Almost surely, 2^65799427 is an apocalyptic number.

65799427 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

65799427 is a deficient number, since it is larger than the sum of its proper divisors (1049537).

65799427 is an frugal number, since it uses more digits than its factorization.

65799427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2049 (or 1058 counting only the distinct ones).

The product of its digits is 952560, while the sum is 49.

The square root of 65799427 is about 8111.6845969256. The cubic root of 65799427 is about 403.7142110922.

The spelling of 65799427 in words is "sixty-five million, seven hundred ninety-nine thousand, four hundred twenty-seven".