3975776984 has 16 divisors (see below), whose sum is σ = 7656057600. Its totient is φ = 1934161632.

The previous prime is 3975776969. The next prime is 3975777007. The reversal of 3975776984 is 4896775793.

It is a self number, because there is not a number n which added to its sum of digits gives 3975776984.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6715544 + ... + 6716135.

It is an arithmetic number, because the mean of its divisors is an integer number (478503600).

Almost surely, 2^3975776984 is an apocalyptic number.

It is an amenable number.

3975776984 is a deficient number, since it is larger than the sum of its proper divisors (3680280616).

3975776984 is a wasteful number, since it uses less digits than its factorization.

3975776984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13431722 (or 13431718 counting only the distinct ones).

The product of its digits is 80015040, while the sum is 65.

The square root of 3975776984 is about 63053.7626474424. The cubic root of 3975776984 is about 1584.1902585380.

The spelling of 3975776984 in words is "three billion, nine hundred seventy-five million, seven hundred seventy-six thousand, nine hundred eighty-four".