8449520976 has 120 divisors (see below), whose sum is σ = 25623075296. Its totient is φ = 2583809280.

The previous prime is 8449520917. The next prime is 8449520977. The reversal of 8449520976 is 6790259448.

8449520976 is a `hidden beast` number, since 8 + 4 + 49 + 520 + 9 + 76 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8449520977) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 291291 + ... + 318981.

Almost surely, 2^8449520976 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 8449520976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12811537648).

8449520976 is an abundant number, since it is smaller than the sum of its proper divisors (17173554320).

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

8449520976 is a wasteful number, since it uses less digits than its factorization.

8449520976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27881 (or 27872 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The square root of 8449520976 is about 91921.2759702562. The cubic root of 8449520976 is about 2036.7795669713.

The spelling of 8449520976 in words is "eight billion, four hundred forty-nine million, five hundred twenty thousand, nine hundred seventy-six".