5678555959 has 2 divisors, whose sum is σ = 5678555960. Its totient is φ = 5678555958.

The previous prime is 5678555957. The next prime is 5678555969. The reversal of 5678555959 is 9595558765.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5678555959 - 2¹ = 5678555957 is a prime.

Together with 5678555957, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 5678555959.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5678555957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2839277979 + 2839277980.

It is an arithmetic number, because the mean of its divisors is an integer number (2839277980).

Almost surely, 2^5678555959 is an apocalyptic number.

5678555959 is a deficient number, since it is larger than the sum of its proper divisors (1).

5678555959 is an equidigital number, since it uses as much as digits as its factorization.

5678555959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 85050000, while the sum is 64.

The square root of 5678555959 is about 75356.1938993737. The cubic root of 5678555959 is about 1784.0730654342.

The spelling of 5678555959 in words is "five billion, six hundred seventy-eight million, five hundred fifty-five thousand, nine hundred fifty-nine".