64979322575336 has 64 divisors (see below), whose sum is σ = 131276377950480. Its totient is φ = 29974888120320.

The previous prime is 64979322575333. The next prime is 64979322575371. The reversal of 64979322575336 is 63357522397946.

64979322575336 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 19415391564100 + 45563931011236 = 4406290^2 + 6750106^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 64979322575336.

It is not an unprimeable number, because it can be changed into a prime (64979322575333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1843001420 + ... + 1843036676.

Almost surely, 2^{64979322575336} is an apocalyptic number.

It is an amenable number.

64979322575336 is an abundant number, since it is smaller than the sum of its proper divisors (66297055375144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64979322575336 is a wasteful number, since it uses less digits than its factorization.

64979322575336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43974 (or 43970 counting only the distinct ones).

The product of its digits is 1543147200, while the sum is 71.

The spelling of 64979322575336 in words is "sixty-four trillion, nine hundred seventy-nine billion, three hundred twenty-two million, five hundred seventy-five thousand, three hundred thirty-six".