64855345706 has 8 divisors (see below), whose sum is σ = 100421180544. Its totient is φ = 31381618860.

The previous prime is 64855345703. The next prime is 64855345721. The reversal of 64855345706 is 60754355846.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (64855345703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523026920 + ... + 523027043.

It is an arithmetic number, because the mean of its divisors is an integer number (12552647568).

Almost surely, 2^64855345706 is an apocalyptic number.

64855345706 is a deficient number, since it is larger than the sum of its proper divisors (35565834838).

64855345706 is a wasteful number, since it uses less digits than its factorization.

64855345706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046053996.

The product of its (nonzero) digits is 12096000, while the sum is 53.

The spelling of 64855345706 in words is "sixty-four billion, eight hundred fifty-five million, three hundred forty-five thousand, seven hundred six".