65785461227 has 4 divisors (see below), whose sum is σ = 65984209176. Its totient is φ = 65586713280.

The previous prime is 65785461223. The next prime is 65785461229. The reversal of 65785461227 is 72216458756.

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 65785461227 - 2² = 65785461223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65785461223) 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, 99373478 + ... + 99374139.

It is an arithmetic number, because the mean of its divisors is an integer number (16496052294).

Almost surely, 2^65785461227 is an apocalyptic number.

65785461227 is a deficient number, since it is larger than the sum of its proper divisors (198747949).

65785461227 is a wasteful number, since it uses less digits than its factorization.

65785461227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198747948.

The product of its digits is 5644800, while the sum is 53.

The spelling of 65785461227 in words is "sixty-five billion, seven hundred eighty-five million, four hundred sixty-one thousand, two hundred twenty-seven".