8378934398738 has 8 divisors (see below), whose sum is σ = 13229896419120. Its totient is φ = 3968968925700.

The previous prime is 8378934398647. The next prime is 8378934398749.

8378934398738 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110249136788 + ... + 110249136863.

It is an arithmetic number, because the mean of its divisors is an integer number (1653737052390).

Almost surely, 2^{8378934398738} is an apocalyptic number.

8378934398738 is a deficient number, since it is larger than the sum of its proper divisors (4850962020382).

8378934398738 is a wasteful number, since it uses less digits than its factorization.

8378934398738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220498273672.

The product of its digits is 5267275776, while the sum is 80.

The spelling of 8378934398738 in words is "eight trillion, three hundred seventy-eight billion, nine hundred thirty-four million, three hundred ninety-eight thousand, seven hundred thirty-eight".