64226288356857 has 24 divisors (see below), whose sum is σ = 104469739815168. Its totient is φ = 37669377333600.

The previous prime is 64226288356801. The next prime is 64226288356859. The reversal of 64226288356857 is 75865388262246.

64226288356857 is a `hidden beast` number, since 6 + 4 + 2 + 2 + 6 + 2 + 8 + 8 + 3 + 568 + 57 = 666.

It is not a de Polignac number, because 64226288356857 - 2⁴³ = 55430195334649 is a prime.

It is a super-2 number, since 2×64226288356857² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64226288356859) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10463712858 + ... + 10463718995.

It is an arithmetic number, because the mean of its divisors is an integer number (4352905825632).

Almost surely, 2^{64226288356857} is an apocalyptic number.

It is an amenable number.

64226288356857 is a deficient number, since it is larger than the sum of its proper divisors (40243451458311).

64226288356857 is a wasteful number, since it uses less digits than its factorization.

64226288356857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20927431901 (or 20927431898 counting only the distinct ones).

The product of its digits is 1857945600, while the sum is 72.

The spelling of 64226288356857 in words is "sixty-four trillion, two hundred twenty-six billion, two hundred eighty-eight million, three hundred fifty-six thousand, eight hundred fifty-seven".