5678467921 has 16 divisors (see below), whose sum is σ = 6617088000. Its totient is φ = 4772136528.

The previous prime is 5678467919. The next prime is 5678467933. The reversal of 5678467921 is 1297648765.

5678467921 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 5678467921 - 2¹ = 5678467919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5678467981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140230 + ... + 176128.

It is an arithmetic number, because the mean of its divisors is an integer number (413568000).

Almost surely, 2^5678467921 is an apocalyptic number.

It is an amenable number.

5678467921 is a deficient number, since it is larger than the sum of its proper divisors (938620079).

5678467921 is a wasteful number, since it uses less digits than its factorization.

5678467921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36348.

The product of its digits is 5080320, while the sum is 55.

The square root of 5678467921 is about 75355.6097513649. The cubic root of 5678467921 is about 1784.0638455411.

The spelling of 5678467921 in words is "five billion, six hundred seventy-eight million, four hundred sixty-seven thousand, nine hundred twenty-one".