8665791776 has 48 divisors (see below), whose sum is σ = 17990048160. Its totient is φ = 4097687040.

The previous prime is 8665791767. The next prime is 8665791781. The reversal of 8665791776 is 6771975668.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344756 + ... + 369036.

It is an arithmetic number, because the mean of its divisors is an integer number (374792670).

Almost surely, 2^8665791776 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 8665791776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8995024080).

8665791776 is an abundant number, since it is smaller than the sum of its proper divisors (9324256384).

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

8665791776 is a wasteful number, since it uses less digits than its factorization.

8665791776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24897 (or 24889 counting only the distinct ones).

The product of its digits is 26671680, while the sum is 62.

The square root of 8665791776 is about 93090.2345898860. The cubic root of 8665791776 is about 2054.0109278674.

The spelling of 8665791776 in words is "eight billion, six hundred sixty-five million, seven hundred ninety-one thousand, seven hundred seventy-six".