839797797938 has 64 divisors (see below), whose sum is σ = 1502360524800. Its totient is φ = 347941563840.

The previous prime is 839797797907. The next prime is 839797797959.

839797797938 is nontrivially palindromic in base 10.

839797797938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 839797797938.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 796856 + ... + 1521372.

It is an arithmetic number, because the mean of its divisors is an integer number (23474383200).

Almost surely, 2^839797797938 is an apocalyptic number.

839797797938 is a deficient number, since it is larger than the sum of its proper divisors (662562726862).

839797797938 is a wasteful number, since it uses less digits than its factorization.

839797797938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724655.

The product of its digits is 9073705536, while the sum is 86.

The spelling of 839797797938 in words is "eight hundred thirty-nine billion, seven hundred ninety-seven million, seven hundred ninety-seven thousand, nine hundred thirty-eight".