3537539784 has 128 divisors (see below), whose sum is σ = 10015488000. Its totient is φ = 1156680000.

The previous prime is 3537539779. The next prime is 3537539821. The reversal of 3537539784 is 4879357353.

3537539784 is a `hidden beast` number, since 3 + 5 + 37 + 539 + 78 + 4 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3537539784.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3848877 + ... + 3849795.

It is an arithmetic number, because the mean of its divisors is an integer number (78246000).

Almost surely, 2^3537539784 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3537539784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5007744000).

3537539784 is an abundant number, since it is smaller than the sum of its proper divisors (6477948216).

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

3537539784 is a wasteful number, since it uses less digits than its factorization.

3537539784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256 (or 1246 counting only the distinct ones).

The product of its digits is 9525600, while the sum is 54.

The square root of 3537539784 is about 59477.2207151612. The cubic root of 3537539784 is about 1523.7034266970.

The spelling of 3537539784 in words is "three billion, five hundred thirty-seven million, five hundred thirty-nine thousand, seven hundred eighty-four".