8047871988 has 24 divisors (see below), whose sum is σ = 20222858208. Its totient is φ = 2476268256.

The previous prime is 8047871987. The next prime is 8047872023. The reversal of 8047871988 is 8891787408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8047871981) 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, 25794306 + ... + 25794617.

It is an arithmetic number, because the mean of its divisors is an integer number (842619092).

Almost surely, 2^8047871988 is an apocalyptic number.

It is an amenable number.

8047871988 is an abundant number, since it is smaller than the sum of its proper divisors (12174986220).

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

8047871988 is a wasteful number, since it uses less digits than its factorization.

8047871988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51588943 (or 51588941 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 60.

The square root of 8047871988 is about 89709.9324935651. The cubic root of 8047871988 is about 2003.9814012959.

The spelling of 8047871988 in words is "eight billion, forty-seven million, eight hundred seventy-one thousand, nine hundred eighty-eight".