8761291000 has 128 divisors (see below), whose sum is σ = 25560437760. Its totient is φ = 2730768000.

The previous prime is 8761290983. The next prime is 8761291061. The reversal of 8761291000 is 1921678.

It is a happy number.

It is a congruent 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, 20109 + ... + 133891.

It is an arithmetic number, because the mean of its divisors is an integer number (199690920).

Almost surely, 2^8761291000 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 8761291000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12780218880).

8761291000 is an abundant number, since it is smaller than the sum of its proper divisors (16799146760).

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

8761291000 is a wasteful number, since it uses less digits than its factorization.

8761291000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113822 (or 113808 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 8761291000 is about 93601.7681456926. The cubic root of 8761291000 is about 2061.5286200200.

The spelling of 8761291000 in words is "eight billion, seven hundred sixty-one million, two hundred ninety-one thousand".