6376983987 has 24 divisors (see below), whose sum is σ = 9350397952. Its totient is φ = 3862972080.

The previous prime is 6376983983. The next prime is 6376983989. The reversal of 6376983987 is 7893896736.

It is a happy number.

It is not a de Polignac number, because 6376983987 - 2² = 6376983983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6376983983) 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 23 ways as a sum of consecutive naturals, for example, 1298178 + ... + 1303080.

Almost surely, 2^6376983987 is an apocalyptic number.

6376983987 is a deficient number, since it is larger than the sum of its proper divisors (2973413965).

6376983987 is a wasteful number, since it uses less digits than its factorization.

6376983987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8511 (or 8500 counting only the distinct ones).

The product of its digits is 82301184, while the sum is 66.

The square root of 6376983987 is about 79856.0203553871. The cubic root of 6376983987 is about 1854.4072170079.

The spelling of 6376983987 in words is "six billion, three hundred seventy-six million, nine hundred eighty-three thousand, nine hundred eighty-seven".