5678520784 has 20 divisors (see below), whose sum is σ = 11480488416. Its totient is φ = 2715814112.

The previous prime is 5678520767. The next prime is 5678520791. The reversal of 5678520784 is 4870258765.

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 3 ways as a sum of consecutive naturals, for example, 7715014 + ... + 7715749.

Almost surely, 2^5678520784 is an apocalyptic number.

It is an amenable number.

5678520784 is an abundant number, since it is smaller than the sum of its proper divisors (5801967632).

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

5678520784 is a wasteful number, since it uses less digits than its factorization.

5678520784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15430794 (or 15430788 counting only the distinct ones).

The product of its (nonzero) digits is 3763200, while the sum is 52.

The square root of 5678520784 is about 75355.9605074476. The cubic root of 5678520784 is about 1784.0693816984.

The spelling of 5678520784 in words is "five billion, six hundred seventy-eight million, five hundred twenty thousand, seven hundred eighty-four".