8378712873 has 8 divisors (see below), whose sum is σ = 12412908000. Its totient is φ = 5585808564.

The previous prime is 8378712821. The next prime is 8378712877. The reversal of 8378712873 is 3782178738.

It is a happy number.

It is not a de Polignac number, because 8378712873 - 2¹⁶ = 8378647337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8378712877) 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, 155161323 + ... + 155161376.

It is an arithmetic number, because the mean of its divisors is an integer number (1551613500).

Almost surely, 2^8378712873 is an apocalyptic number.

It is an amenable number.

8378712873 is a deficient number, since it is larger than the sum of its proper divisors (4034195127).

8378712873 is a wasteful number, since it uses less digits than its factorization.

8378712873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310322708 (or 310322702 counting only the distinct ones).

The product of its digits is 3161088, while the sum is 54.

The square root of 8378712873 is about 91535.3094330270. The cubic root of 8378712873 is about 2031.0741056331.

The spelling of 8378712873 in words is "eight billion, three hundred seventy-eight million, seven hundred twelve thousand, eight hundred seventy-three".