6556077959 has 2 divisors, whose sum is σ = 6556077960. Its totient is φ = 6556077958.

The previous prime is 6556077949. The next prime is 6556077973. The reversal of 6556077959 is 9597706556.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6556077959 - 2²⁴ = 6539300743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6556077898 and 6556077907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6556077919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3278038979 + 3278038980.

It is an arithmetic number, because the mean of its divisors is an integer number (3278038980).

Almost surely, 2^6556077959 is an apocalyptic number.

6556077959 is a deficient number, since it is larger than the sum of its proper divisors (1).

6556077959 is an equidigital number, since it uses as much as digits as its factorization.

6556077959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17860500, while the sum is 59.

The square root of 6556077959 is about 80969.6113304245. The cubic root of 6556077959 is about 1871.6071819829.

The spelling of 6556077959 in words is "six billion, five hundred fifty-six million, seventy-seven thousand, nine hundred fifty-nine".