64680782506714 has 16 divisors (see below), whose sum is σ = 105843575694816. Its totient is φ = 29399718121200.

The previous prime is 64680782506709. The next prime is 64680782506721. The reversal of 64680782506714 is 41760528708646.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30839877 + ... + 32870344.

It is an arithmetic number, because the mean of its divisors is an integer number (6615223480926).

Almost surely, 2^{64680782506714} is an apocalyptic number.

64680782506714 is a deficient number, since it is larger than the sum of its proper divisors (41162793188102).

64680782506714 is a wasteful number, since it uses less digits than its factorization.

64680782506714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63756381.

The product of its (nonzero) digits is 108380160, while the sum is 64.

The spelling of 64680782506714 in words is "sixty-four trillion, six hundred eighty billion, seven hundred eighty-two million, five hundred six thousand, seven hundred fourteen".