8188755460 has 24 divisors (see below), whose sum is σ = 17520848856. Its totient is φ = 3213699840.

The previous prime is 8188755457. The next prime is 8188755461. The reversal of 8188755460 is 645578818.

It can be written as a sum of positive squares in 4 ways, for example, as 729324036 + 7459431424 = 27006^2 + 86368^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8188755398 and 8188755407.

It is not an unprimeable number, because it can be changed into a prime (8188755461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3861561 + ... + 3863680.

It is an arithmetic number, because the mean of its divisors is an integer number (730035369).

Almost surely, 2^8188755460 is an apocalyptic number.

It is an amenable number.

8188755460 is an abundant number, since it is smaller than the sum of its proper divisors (9332093396).

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

8188755460 is a wasteful number, since it uses less digits than its factorization.

8188755460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7725303 (or 7725301 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 52.

The square root of 8188755460 is about 90491.7424962079. The cubic root of 8188755460 is about 2015.6075076935.

The spelling of 8188755460 in words is "eight billion, one hundred eighty-eight million, seven hundred fifty-five thousand, four hundred sixty".