328684705767 has 48 divisors (see below), whose sum is σ = 535932012000. Its totient is φ = 198942289920.

The previous prime is 328684705747. The next prime is 328684705771. The reversal of 328684705767 is 767507486823.

328684705767 is a `hidden beast` number, since 32 + 8 + 68 + 470 + 5 + 76 + 7 = 666.

328684705767 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 328684705767 - 2⁸ = 328684705511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328684705747) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2446909 + ... + 2577737.

It is an arithmetic number, because the mean of its divisors is an integer number (11165250250).

Almost surely, 2^328684705767 is an apocalyptic number.

328684705767 is a deficient number, since it is larger than the sum of its proper divisors (207247306233).

328684705767 is a wasteful number, since it uses less digits than its factorization.

328684705767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131629 (or 131612 counting only the distinct ones).

The product of its (nonzero) digits is 94832640, while the sum is 63.

The spelling of 328684705767 in words is "three hundred twenty-eight billion, six hundred eighty-four million, seven hundred five thousand, seven hundred sixty-seven".