8663800920 has 32 divisors (see below), whose sum is σ = 25991403120. Its totient is φ = 2310346880.

The previous prime is 8663800913. The next prime is 8663800927. The reversal of 8663800920 is 290083668.

It is an interprime number because it is at equal distance from previous prime (8663800913) and next prime (8663800927).

It is a super-2 number, since 2×8663800920² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8663800927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36099051 + ... + 36099290.

Almost surely, 2^8663800920 is an apocalyptic number.

It is an amenable number.

8663800920 is an abundant number, since it is smaller than the sum of its proper divisors (17327602200).

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

8663800920 is a wasteful number, since it uses less digits than its factorization.

8663800920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72198355 (or 72198351 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 8663800920 is about 93079.5408239641. The cubic root of 8663800920 is about 2053.8536214810.

The spelling of 8663800920 in words is "eight billion, six hundred sixty-three million, eight hundred thousand, nine hundred twenty".