8553783380 has 24 divisors (see below), whose sum is σ = 17968803048. Its totient is φ = 3420397568.

The previous prime is 8553783341. The next prime is 8553783401. The reversal of 8553783380 is 833873558.

It can be written as a sum of positive squares in 4 ways, for example, as 2303616016 + 6250167364 = 47996^2 + 79058^2 .

It is a super-2 number, since 2×8553783380² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5429 + ... + 130908.

It is an arithmetic number, because the mean of its divisors is an integer number (748700127).

Almost surely, 2^8553783380 is an apocalyptic number.

It is an amenable number.

8553783380 is an abundant number, since it is smaller than the sum of its proper divisors (9415019668).

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

8553783380 is a wasteful number, since it uses less digits than its factorization.

8553783380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139483 (or 139481 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 50.

The square root of 8553783380 is about 92486.6659578558. The cubic root of 8553783380 is about 2045.1229199014.

The spelling of 8553783380 in words is "eight billion, five hundred fifty-three million, seven hundred eighty-three thousand, three hundred eighty".