6235664978873 has 24 divisors (see below), whose sum is σ = 6956947146240. Its totient is φ = 5584039718400.

The previous prime is 6235664978857. The next prime is 6235664978891. The reversal of 6235664978873 is 3788794665326.

It is a happy number.

It is not a de Polignac number, because 6235664978873 - 2⁴ = 6235664978857 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6235664978873.

It is not an unprimeable number, because it can be changed into a prime (6235664978173) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3363161 + ... + 4876697.

It is an arithmetic number, because the mean of its divisors is an integer number (289872797760).

Almost surely, 2^{6235664978873} is an apocalyptic number.

It is an amenable number.

6235664978873 is a deficient number, since it is larger than the sum of its proper divisors (721282167367).

6235664978873 is a wasteful number, since it uses less digits than its factorization.

6235664978873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514069 (or 1514058 counting only the distinct ones).

The product of its digits is 2194698240, while the sum is 74.

The spelling of 6235664978873 in words is "six trillion, two hundred thirty-five billion, six hundred sixty-four million, nine hundred seventy-eight thousand, eight hundred seventy-three".