8479447912 has 48 divisors (see below), whose sum is σ = 17229991680. Its totient is φ = 3910420800.

The previous prime is 8479447903. The next prime is 8479447931. The reversal of 8479447912 is 2197449748.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2852587 + ... + 2855557.

It is an arithmetic number, because the mean of its divisors is an integer number (358958160).

Almost surely, 2^8479447912 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 8479447912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8614995840).

8479447912 is an abundant number, since it is smaller than the sum of its proper divisors (8750543768).

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

8479447912 is a wasteful number, since it uses less digits than its factorization.

8479447912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5114 (or 5097 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 55.

The square root of 8479447912 is about 92083.9177706944. The cubic root of 8479447912 is about 2039.1813894812.

The spelling of 8479447912 in words is "eight billion, four hundred seventy-nine million, four hundred forty-seven thousand, nine hundred twelve".