6327867987 has 54 divisors (see below), whose sum is σ = 11041483908. Its totient is φ = 3615924564.

The previous prime is 6327867911. The next prime is 6327867989. The reversal of 6327867987 is 7897687236.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 6327867987 - 2⁷ = 6327867859 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (6327867989) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 903981138 + ... + 903981144.

Almost surely, 2^6327867987 is an apocalyptic number.

6327867987 is a deficient number, since it is larger than the sum of its proper divisors (4713615921).

6327867987 is an frugal number, since it uses more digits than its factorization.

6327867987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65 (or 10 counting only the distinct ones).

The product of its digits is 42674688, while the sum is 63.

The square root of 6327867987 is about 79547.8974392158. The cubic root of 6327867987 is about 1849.6340144779.

The spelling of 6327867987 in words is "six billion, three hundred twenty-seven million, eight hundred sixty-seven thousand, nine hundred eighty-seven".