8691454976 has 66 divisors (see below), whose sum is σ = 18006824430. Its totient is φ = 4188119040.

The previous prime is 8691454951. The next prime is 8691454997. The reversal of 8691454976 is 6794541968.

It can be written as a sum of positive squares in 3 ways, for example, as 766182400 + 7925272576 = 27680^2 + 89024^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16065266 + ... + 16065806.

Almost surely, 2^8691454976 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 8691454976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9003412215).

8691454976 is an abundant number, since it is smaller than the sum of its proper divisors (9315369454).

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

8691454976 is an frugal number, since it uses more digits than its factorization.

8691454976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131 (or 572 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 59.

The square root of 8691454976 is about 93227.9731411125. The cubic root of 8691454976 is about 2056.0365378801.

The spelling of 8691454976 in words is "eight billion, six hundred ninety-one million, four hundred fifty-four thousand, nine hundred seventy-six".