65228385671 has 16 divisors (see below), whose sum is σ = 70575546240. Its totient is φ = 60050534400.

The previous prime is 65228385623. The next prime is 65228385697. The reversal of 65228385671 is 17658382256.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65228385671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65228385371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1416335 + ... + 1461663.

It is an arithmetic number, because the mean of its divisors is an integer number (4410971640).

Almost surely, 2^65228385671 is an apocalyptic number.

65228385671 is a deficient number, since it is larger than the sum of its proper divisors (5347160569).

65228385671 is a wasteful number, since it uses less digits than its factorization.

65228385671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47194.

The product of its digits is 4838400, while the sum is 53.

The spelling of 65228385671 in words is "sixty-five billion, two hundred twenty-eight million, three hundred eighty-five thousand, six hundred seventy-one".