3976973547987 has 16 divisors (see below), whose sum is σ = 5801854061952. Its totient is φ = 2403134805120.

The previous prime is 3976973547929. The next prime is 3976973548019. The reversal of 3976973547987 is 7897453796793.

It is not a de Polignac number, because 3976973547987 - 2⁶ = 3976973547923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3976973540987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178793553 + ... + 178815794.

It is an arithmetic number, because the mean of its divisors is an integer number (362615878872).

Almost surely, 2^{3976973547987} is an apocalyptic number.

3976973547987 is a deficient number, since it is larger than the sum of its proper divisors (1824880513965).

3976973547987 is a wasteful number, since it uses less digits than its factorization.

3976973547987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357609698.

The product of its digits is 15122842560, while the sum is 84.

The spelling of 3976973547987 in words is "three trillion, nine hundred seventy-six billion, nine hundred seventy-three million, five hundred forty-seven thousand, nine hundred eighty-seven".