2555386766 has 8 divisors (see below), whose sum is σ = 3833895240. Its totient is φ = 1277421688.

The previous prime is 2555386763. The next prime is 2555386777. The reversal of 2555386766 is 6676835552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555386763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123881 + ... + 143028.

It is an arithmetic number, because the mean of its divisors is an integer number (479236905).

Almost surely, 2^2555386766 is an apocalyptic number.

2555386766 is a deficient number, since it is larger than the sum of its proper divisors (1278508474).

2555386766 is a wasteful number, since it uses less digits than its factorization.

2555386766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271698.

The product of its digits is 9072000, while the sum is 53.

The square root of 2555386766 is about 50550.8334847211. The cubic root of 2555386766 is about 1367.1585425066.

The spelling of 2555386766 in words is "two billion, five hundred fifty-five million, three hundred eighty-six thousand, seven hundred sixty-six".