65376975427 has 4 divisors (see below), whose sum is σ = 67631353920. Its totient is φ = 63122596936.

The previous prime is 65376975413. The next prime is 65376975473. The reversal of 65376975427 is 72457967356.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65376975427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65376975527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1127189203 + ... + 1127189260.

It is an arithmetic number, because the mean of its divisors is an integer number (16907838480).

Almost surely, 2^65376975427 is an apocalyptic number.

65376975427 is a deficient number, since it is larger than the sum of its proper divisors (2254378493).

65376975427 is a wasteful number, since it uses less digits than its factorization.

65376975427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2254378492.

The product of its digits is 66679200, while the sum is 61.

The spelling of 65376975427 in words is "sixty-five billion, three hundred seventy-six million, nine hundred seventy-five thousand, four hundred twenty-seven".