6784364634875 has 32 divisors (see below), whose sum is σ = 8637682510080. Its totient is φ = 5318669040000.

The previous prime is 6784364634833. The next prime is 6784364634877. The reversal of 6784364634875 is 5784364634876.

It is a de Polignac number, because none of the positive numbers 2^k-6784364634875 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6784364634799 and 6784364634808.

It is not an unprimeable number, because it can be changed into a prime (6784364634877) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 397310 + ... + 3704940.

It is an arithmetic number, because the mean of its divisors is an integer number (269927578440).

Almost surely, 2^{6784364634875} is an apocalyptic number.

6784364634875 is a deficient number, since it is larger than the sum of its proper divisors (1853317875205).

6784364634875 is a wasteful number, since it uses less digits than its factorization.

6784364634875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3307976 (or 3307966 counting only the distinct ones).

The product of its digits is 1950842880, while the sum is 71.

Subtracting from 6784364634875 its reverse (5784364634876), we obtain a palindrome (999999999999).

The spelling of 6784364634875 in words is "six trillion, seven hundred eighty-four billion, three hundred sixty-four million, six hundred thirty-four thousand, eight hundred seventy-five".