8816427620 has 384 divisors, whose sum is σ = 26629005312. Its totient is φ = 2362060800.

The previous prime is 8816427617. The next prime is 8816427703. The reversal of 8816427620 is 267246188.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 18878627 + ... + 18879093.

It is an arithmetic number, because the mean of its divisors is an integer number (69346368).

Almost surely, 2^8816427620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8816427620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13314502656).

8816427620 is an abundant number, since it is smaller than the sum of its proper divisors (17812577692).

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

8816427620 is a wasteful number, since it uses less digits than its factorization.

8816427620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571 (or 569 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 8816427620 is about 93895.8338798905. The cubic root of 8816427620 is about 2065.8441221402.

The spelling of 8816427620 in words is "eight billion, eight hundred sixteen million, four hundred twenty-seven thousand, six hundred twenty".