8766858720 has 96 divisors (see below), whose sum is σ = 27781221888. Its totient is φ = 2323808768.

The previous prime is 8766858703. The next prime is 8766858731. The reversal of 8766858720 is 278586678.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25477 + ... + 134843.

It is an arithmetic number, because the mean of its divisors is an integer number (289387728).

Almost surely, 2^8766858720 is an apocalyptic number.

8766858720 is a gapful number since it is divisible by the number (80) 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 8766858720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13890610944).

8766858720 is an abundant number, since it is smaller than the sum of its proper divisors (19014363168).

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

8766858720 is a wasteful number, since it uses less digits than its factorization.

8766858720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109552 (or 109544 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 57.

The square root of 8766858720 is about 93631.5049542621. The cubic root of 8766858720 is about 2061.9652217185.

It can be divided in two parts, 8766858 and 720, that added together give a triangular number (8767578 = T₄₁₈₇).

The spelling of 8766858720 in words is "eight billion, seven hundred sixty-six million, eight hundred fifty-eight thousand, seven hundred twenty".