6387942267 has 12 divisors (see below), whose sum is σ = 10545174640. Its totient is φ = 3650252688.

The previous prime is 6387942257. The next prime is 6387942269. The reversal of 6387942267 is 7622497836.

It is not a de Polignac number, because 6387942267 - 2¹² = 6387938171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6387942269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50697892 + ... + 50698017.

Almost surely, 2^6387942267 is an apocalyptic number.

6387942267 is a deficient number, since it is larger than the sum of its proper divisors (4157232373).

6387942267 is a wasteful number, since it uses less digits than its factorization.

6387942267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101395922 (or 101395919 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 54.

The square root of 6387942267 is about 79924.6036399306. The cubic root of 6387942267 is about 1855.4688204581.

The spelling of 6387942267 in words is "six billion, three hundred eighty-seven million, nine hundred forty-two thousand, two hundred sixty-seven".