6555723788 has 24 divisors (see below), whose sum is σ = 11798640672. Its totient is φ = 3184925184.

The previous prime is 6555723749. The next prime is 6555723803. The reversal of 6555723788 is 8873275556.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80156 + ... + 139772.

It is an arithmetic number, because the mean of its divisors is an integer number (491610028).

Almost surely, 2^6555723788 is an apocalyptic number.

It is an amenable number.

6555723788 is a deficient number, since it is larger than the sum of its proper divisors (5242916884).

6555723788 is a wasteful number, since it uses less digits than its factorization.

6555723788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60401 (or 60399 counting only the distinct ones).

The product of its digits is 14112000, while the sum is 56.

The square root of 6555723788 is about 80967.4242396286. The cubic root of 6555723788 is about 1871.5734788590.

The spelling of 6555723788 in words is "six billion, five hundred fifty-five million, seven hundred twenty-three thousand, seven hundred eighty-eight".