8681452968 has 128 divisors (see below), whose sum is σ = 23667275520. Its totient is φ = 2642595840.

The previous prime is 8681452943. The next prime is 8681452973. The reversal of 8681452968 is 8692541868.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8166405 + ... + 8167467.

It is an arithmetic number, because the mean of its divisors is an integer number (184900590).

Almost surely, 2^8681452968 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 8681452968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11833637760).

8681452968 is an abundant number, since it is smaller than the sum of its proper divisors (14985822552).

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

8681452968 is a wasteful number, since it uses less digits than its factorization.

8681452968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667 (or 1663 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 57.

The square root of 8681452968 is about 93174.3149585764. The cubic root of 8681452968 is about 2055.2475488693.

Subtracting 8681452968 from its reverse (8692541868), we obtain a square (11088900 = 3330²).

The spelling of 8681452968 in words is "eight billion, six hundred eighty-one million, four hundred fifty-two thousand, nine hundred sixty-eight".