5647280920 has 32 divisors (see below), whose sum is σ = 12708957600. Its totient is φ = 2258454528.

The previous prime is 5647280893. The next prime is 5647280921. The reversal of 5647280920 is 290827465.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5647280921) 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, 242341 + ... + 264619.

It is an arithmetic number, because the mean of its divisors is an integer number (397154925).

Almost surely, 2^5647280920 is an apocalyptic number.

It is an amenable number.

5647280920 is an abundant number, since it is smaller than the sum of its proper divisors (7061676680).

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

5647280920 is a wasteful number, since it uses less digits than its factorization.

5647280920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28627 (or 28623 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 5647280920 is about 75148.3926641149. The cubic root of 5647280920 is about 1780.7917321234.

The spelling of 5647280920 in words is "five billion, six hundred forty-seven million, two hundred eighty thousand, nine hundred twenty".