3568378536 has 80 divisors (see below), whose sum is σ = 10030844340. Its totient is φ = 1185166080.

The previous prime is 3568378519. The next prime is 3568378601. The reversal of 3568378536 is 6358738653.

It is a happy number.

3568378536 is a `hidden beast` number, since 3 + 568 + 3 + 78 + 5 + 3 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3564806436 + 3572100 = 59706^2 + 1890^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 172290 + ... + 191886.

Almost surely, 2^3568378536 is an apocalyptic number.

3568378536 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3568378536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5015422170).

3568378536 is an abundant number, since it is smaller than the sum of its proper divisors (6462465804).

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

3568378536 is a wasteful number, since it uses less digits than its factorization.

3568378536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19896 (or 19883 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 54.

The square root of 3568378536 is about 59735.9065889185. The cubic root of 3568378536 is about 1528.1182864397.

The spelling of 3568378536 in words is "three billion, five hundred sixty-eight million, three hundred seventy-eight thousand, five hundred thirty-six".