64226578876065 has 56 divisors (see below), whose sum is σ = 121636821810240. Its totient is φ = 32451324028704.

The previous prime is 64226578876063. The next prime is 64226578876081. The reversal of 64226578876065 is 56067887562246.

64226578876065 is a `hidden beast` number, since 6 + 4 + 2 + 2 + 6 + 5 + 7 + 8 + 8 + 7 + 606 + 5 = 666.

It is not a de Polignac number, because 64226578876065 - 2¹ = 64226578876063 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64226578875984 and 64226578876002.

It is not an unprimeable number, because it can be changed into a prime (64226578876063) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 463627077 + ... + 463765586.

Almost surely, 2^{64226578876065} is an apocalyptic number.

It is an amenable number.

64226578876065 is a deficient number, since it is larger than the sum of its proper divisors (57410242934175).

64226578876065 is an equidigital number, since it uses as much as digits as its factorization.

64226578876065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927392705 (or 927392690 counting only the distinct ones).

The product of its (nonzero) digits is 1625702400, while the sum is 72.

The spelling of 64226578876065 in words is "sixty-four trillion, two hundred twenty-six billion, five hundred seventy-eight million, eight hundred seventy-six thousand, sixty-five".