8798638220 has 24 divisors (see below), whose sum is σ = 18504221904. Its totient is φ = 3514296896.

The previous prime is 8798638217. The next prime is 8798638223. The reversal of 8798638220 is 228368978.

It is an interprime number because it is at equal distance from previous prime (8798638217) and next prime (8798638223).

It is not an unprimeable number, because it can be changed into a prime (8798638223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308399 + ... + 335718.

It is an arithmetic number, because the mean of its divisors is an integer number (771009246).

Almost surely, 2^8798638220 is an apocalyptic number.

It is an amenable number.

8798638220 is an abundant number, since it is smaller than the sum of its proper divisors (9705583684).

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

8798638220 is a wasteful number, since it uses less digits than its factorization.

8798638220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644809 (or 644807 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 53.

The square root of 8798638220 is about 93801.0566038571. The cubic root of 8798638220 is about 2064.4537300844.

The spelling of 8798638220 in words is "eight billion, seven hundred ninety-eight million, six hundred thirty-eight thousand, two hundred twenty".