5678011 has 4 divisors (see below), whose sum is σ = 5719000. Its totient is φ = 5637024.

The previous prime is 5678003. The next prime is 5678039. The reversal of 5678011 is 1108765.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5678011 - 2³ = 5678003 is a prime.

It is a super-2 number, since 2×5678011² = 64479617832242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5678041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20286 + ... + 20563.

It is an arithmetic number, because the mean of its divisors is an integer number (1429750).

Almost surely, 2^5678011 is an apocalyptic number.

5678011 is a deficient number, since it is larger than the sum of its proper divisors (40989).

5678011 is a wasteful number, since it uses less digits than its factorization.

5678011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40988.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 5678011 is about 2382.8577380952. The cubic root of 5678011 is about 178.4015992369.

The spelling of 5678011 in words is "five million, six hundred seventy-eight thousand, eleven".