8477447748 has 96 divisors (see below), whose sum is σ = 24681753600. Its totient is φ = 2200141440.

The previous prime is 8477447747. The next prime is 8477447753.

8477447748 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 8477447691 and 8477447700.

It is not an unprimeable number, because it can be changed into a prime (8477447747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1428315 + ... + 1434237.

It is an arithmetic number, because the mean of its divisors is an integer number (257101600).

Almost surely, 2^8477447748 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 8477447748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12340876800).

8477447748 is an abundant number, since it is smaller than the sum of its proper divisors (16204305852).

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

8477447748 is a wasteful number, since it uses less digits than its factorization.

8477447748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7497 (or 7495 counting only the distinct ones).

The product of its digits is 39337984, while the sum is 60.

The square root of 8477447748 is about 92073.0565800875. The cubic root of 8477447748 is about 2039.0210402859.

The spelling of 8477447748 in words is "eight billion, four hundred seventy-seven million, four hundred forty-seven thousand, seven hundred forty-eight".