6387306655 has 16 divisors (see below), whose sum is σ = 8012157120. Its totient is φ = 4879038208.

The previous prime is 6387306641. The next prime is 6387306661. The reversal of 6387306655 is 5566037836.

It is a de Polignac number, because none of the positive numbers 2^k-6387306655 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6387306599 and 6387306608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16629 + ... + 114241.

It is an arithmetic number, because the mean of its divisors is an integer number (500759820).

Almost surely, 2^6387306655 is an apocalyptic number.

6387306655 is a deficient number, since it is larger than the sum of its proper divisors (1624850465).

6387306655 is a wasteful number, since it uses less digits than its factorization.

6387306655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98210.

The product of its (nonzero) digits is 2721600, while the sum is 49.

The square root of 6387306655 is about 79920.6272185097. The cubic root of 6387306655 is about 1855.4072775639.

The spelling of 6387306655 in words is "six billion, three hundred eighty-seven million, three hundred six thousand, six hundred fifty-five".