8666979552 has 576 divisors, whose sum is σ = 32172940800. Its totient is φ = 2148249600.

The previous prime is 8666979547. The next prime is 8666979553. The reversal of 8666979552 is 2559796668.

It is a super-2 number, since 2×8666979552² (a number of 21 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 8666979552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8666979553) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 58167574 + ... + 58167722.

It is an arithmetic number, because the mean of its divisors is an integer number (55855800).

Almost surely, 2^8666979552 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 8666979552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16086470400).

8666979552 is an abundant number, since it is smaller than the sum of its proper divisors (23505961248).

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

8666979552 is a wasteful number, since it uses less digits than its factorization.

8666979552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287 (or 276 counting only the distinct ones).

The product of its digits is 48988800, while the sum is 63.

The square root of 8666979552 is about 93096.6140737675. The cubic root of 8666979552 is about 2054.1047678569.

The spelling of 8666979552 in words is "eight billion, six hundred sixty-six million, nine hundred seventy-nine thousand, five hundred fifty-two".