64279106907 has 4 divisors (see below), whose sum is σ = 85705475880. Its totient is φ = 42852737936.

The previous prime is 64279106873. The next prime is 64279106953. The reversal of 64279106907 is 70960197246.

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 64279106907 - 2¹⁰ = 64279105883 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64279106907.

It is not an unprimeable number, because it can be changed into a prime (64279106107) 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 3 ways as a sum of consecutive naturals, for example, 10713184482 + ... + 10713184487.

It is an arithmetic number, because the mean of its divisors is an integer number (21426368970).

Almost surely, 2^64279106907 is an apocalyptic number.

64279106907 is a deficient number, since it is larger than the sum of its proper divisors (21426368973).

64279106907 is a wasteful number, since it uses less digits than its factorization.

64279106907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21426368972.

The product of its (nonzero) digits is 1143072, while the sum is 51.

The spelling of 64279106907 in words is "sixty-four billion, two hundred seventy-nine million, one hundred six thousand, nine hundred seven".