8477944976 has 80 divisors (see below), whose sum is σ = 17786480640. Its totient is φ = 3906040320.

The previous prime is 8477944921. The next prime is 8477944987. The reversal of 8477944976 is 6794497748.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 857630 + ... + 867458.

It is an arithmetic number, because the mean of its divisors is an integer number (222331008).

Almost surely, 2^8477944976 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 8477944976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8893240320).

8477944976 is an abundant number, since it is smaller than the sum of its proper divisors (9308535664).

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

8477944976 is a wasteful number, since it uses less digits than its factorization.

8477944976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9952 (or 9946 counting only the distinct ones).

The product of its digits is 85349376, while the sum is 65.

The square root of 8477944976 is about 92075.7567223859. The cubic root of 8477944976 is about 2039.0609044276.

The spelling of 8477944976 in words is "eight billion, four hundred seventy-seven million, nine hundred forty-four thousand, nine hundred seventy-six".