8622378720 has 384 divisors, whose sum is σ = 31348114560. Its totient is φ = 2239488000.

The previous prime is 8622378703. The next prime is 8622378757. The reversal of 8622378720 is 278732268.

It is a super-2 number, since 2×8622378720² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14346420 + ... + 14347020.

It is an arithmetic number, because the mean of its divisors is an integer number (81635715).

Almost surely, 2^8622378720 is an apocalyptic number.

8622378720 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 8622378720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15674057280).

8622378720 is an abundant number, since it is smaller than the sum of its proper divisors (22725735840).

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

8622378720 is an equidigital number, since it uses as much as digits as its factorization.

8622378720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678 (or 652 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 8622378720 is about 92856.7645354931. The cubic root of 8622378720 is about 2050.5751881923.

The spelling of 8622378720 in words is "eight billion, six hundred twenty-two million, three hundred seventy-eight thousand, seven hundred twenty".