8378626388394 has 16 divisors (see below), whose sum is σ = 16757323712640. Its totient is φ = 2792863640160.

The previous prime is 8378626388369. The next prime is 8378626388417. The reversal of 8378626388394 is 4938836268738.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1353339 + ... + 4311470.

It is an arithmetic number, because the mean of its divisors is an integer number (1047332732040).

Almost surely, 2^{8378626388394} is an apocalyptic number.

8378626388394 is an abundant number, since it is smaller than the sum of its proper divisors (8378697324246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8378626388394 is a wasteful number, since it uses less digits than its factorization.

8378626388394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5911325.

The product of its digits is 2006581248, while the sum is 75.

The spelling of 8378626388394 in words is "eight trillion, three hundred seventy-eight billion, six hundred twenty-six million, three hundred eighty-eight thousand, three hundred ninety-four".