813768104104 has 32 divisors (see below), whose sum is σ = 1607291460000. Its totient is φ = 385188253632.

The previous prime is 813768104101. The next prime is 813768104113. The reversal of 813768104104 is 401401867318.

It is not an unprimeable number, because it can be changed into a prime (813768104101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1740954 + ... + 2158345.

It is an arithmetic number, because the mean of its divisors is an integer number (50227858125).

Almost surely, 2^813768104104 is an apocalyptic number.

It is an amenable number.

813768104104 is a deficient number, since it is larger than the sum of its proper divisors (793523355896).

813768104104 is a wasteful number, since it uses less digits than its factorization.

813768104104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3900697 (or 3900693 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 43.

The spelling of 813768104104 in words is "eight hundred thirteen billion, seven hundred sixty-eight million, one hundred four thousand, one hundred four".