8618802720 has 192 divisors, whose sum is σ = 29951752320. Its totient is φ = 2065817600.

The previous prime is 8618802679. The next prime is 8618802727. The reversal of 8618802720 is 272088168.

It is not an unprimeable number, because it can be changed into a prime (8618802727) 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 31 ways as a sum of consecutive naturals, for example, 460750 + ... + 479090.

It is an arithmetic number, because the mean of its divisors is an integer number (155998710).

Almost surely, 2^8618802720 is an apocalyptic number.

8618802720 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 8618802720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14975876160).

8618802720 is an abundant number, since it is smaller than the sum of its proper divisors (21332949600).

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

8618802720 is a wasteful number, since it uses less digits than its factorization.

8618802720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18459 (or 18451 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 42.

The square root of 8618802720 is about 92837.5070755349. The cubic root of 8618802720 is about 2050.2916674040.

The spelling of 8618802720 in words is "eight billion, six hundred eighteen million, eight hundred two thousand, seven hundred twenty".