8665773984 has 240 divisors, whose sum is σ = 29415754368. Its totient is φ = 2451368448.

The previous prime is 8665773931. The next prime is 8665774003. The reversal of 8665773984 is 4893775668.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1866514 + ... + 1871150.

Almost surely, 2^8665773984 is an apocalyptic number.

8665773984 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8665773984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14707877184).

8665773984 is an abundant number, since it is smaller than the sum of its proper divisors (20749980384).

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

8665773984 is a wasteful number, since it uses less digits than its factorization.

8665773984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4769 (or 4752 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 63.

The square root of 8665773984 is about 93090.1390266445. The cubic root of 8665773984 is about 2054.0095221491.

The spelling of 8665773984 in words is "eight billion, six hundred sixty-five million, seven hundred seventy-three thousand, nine hundred eighty-four".