5667618887 has 16 divisors (see below), whose sum is σ = 6639592512. Its totient is φ = 4736378880.

The previous prime is 5667618881. The next prime is 5667618941. The reversal of 5667618887 is 7888167665.

It is a cyclic number.

It is not a de Polignac number, because 5667618887 - 2⁴ = 5667618871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5667618881) 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, 504443 + ... + 515555.

It is an arithmetic number, because the mean of its divisors is an integer number (414974532).

Almost surely, 2^5667618887 is an apocalyptic number.

5667618887 is a deficient number, since it is larger than the sum of its proper divisors (971973625).

5667618887 is a wasteful number, since it uses less digits than its factorization.

5667618887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12938.

The product of its digits is 27095040, while the sum is 62.

The square root of 5667618887 is about 75283.5897589906. The cubic root of 5667618887 is about 1782.9269362434.

The spelling of 5667618887 in words is "five billion, six hundred sixty-seven million, six hundred eighteen thousand, eight hundred eighty-seven".