8378842472 has 192 divisors, whose sum is σ = 21561066240. Its totient is φ = 2969809920.

The previous prime is 8378842457. The next prime is 8378842481. The reversal of 8378842472 is 2742488738.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6429773 + ... + 6431075.

It is an arithmetic number, because the mean of its divisors is an integer number (112297220).

Almost surely, 2^8378842472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8378842472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10780533120).

8378842472 is an abundant number, since it is smaller than the sum of its proper divisors (13182223768).

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

8378842472 is a wasteful number, since it uses less digits than its factorization.

8378842472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424 (or 1409 counting only the distinct ones).

The product of its digits is 4816896, while the sum is 53.

The square root of 8378842472 is about 91536.0173483640. The cubic root of 8378842472 is about 2031.0845775604.

The spelling of 8378842472 in words is "eight billion, three hundred seventy-eight million, eight hundred forty-two thousand, four hundred seventy-two".