8626965520 has 80 divisors (see below), whose sum is σ = 21255568128. Its totient is φ = 3245045760.

The previous prime is 8626965517. The next prime is 8626965521. The reversal of 8626965520 is 255696268.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (8626965521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2374105 + ... + 2377735.

Almost surely, 2^8626965520 is an apocalyptic number.

8626965520 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 8626965520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10627784064).

8626965520 is an abundant number, since it is smaller than the sum of its proper divisors (12628602608).

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

8626965520 is a wasteful number, since it uses less digits than its factorization.

8626965520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5408 (or 5402 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 49.

The square root of 8626965520 is about 92881.4595061899. The cubic root of 8626965520 is about 2050.9387348523.

The spelling of 8626965520 in words is "eight billion, six hundred twenty-six million, nine hundred sixty-five thousand, five hundred twenty".