8873635220 has 24 divisors (see below), whose sum is σ = 18770658984. Its totient is φ = 3523544576.

The previous prime is 8873635217. The next prime is 8873635241. The reversal of 8873635220 is 225363788.

It can be written as a sum of positive squares in 4 ways, for example, as 4892944 + 8868742276 = 2212^2 + 94174^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1616537 + ... + 1622016.

It is an arithmetic number, because the mean of its divisors is an integer number (782110791).

Almost surely, 2^8873635220 is an apocalyptic number.

It is an amenable number.

8873635220 is an abundant number, since it is smaller than the sum of its proper divisors (9897023764).

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

8873635220 is a wasteful number, since it uses less digits than its factorization.

8873635220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3238699 (or 3238697 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 8873635220 is about 94199.9746284467. The cubic root of 8873635220 is about 2070.3027414728.

The spelling of 8873635220 in words is "eight billion, eight hundred seventy-three million, six hundred thirty-five thousand, two hundred twenty".