3937489975 has 12 divisors (see below), whose sum is σ = 4884865920. Its totient is φ = 3148457600.

The previous prime is 3937489967. The next prime is 3937489999. The reversal of 3937489975 is 5799847393.

It is a happy number.

It is not a de Polignac number, because 3937489975 - 2³ = 3937489967 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 15471 + ... + 90079.

It is an arithmetic number, because the mean of its divisors is an integer number (407072160).

Almost surely, 2^3937489975 is an apocalyptic number.

3937489975 is a deficient number, since it is larger than the sum of its proper divisors (947375945).

3937489975 is a wasteful number, since it uses less digits than its factorization.

3937489975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76730 (or 76725 counting only the distinct ones).

The product of its digits is 51438240, while the sum is 64.

The square root of 3937489975 is about 62749.4221088928. The cubic root of 3937489975 is about 1579.0885592753.

The spelling of 3937489975 in words is "three billion, nine hundred thirty-seven million, four hundred eighty-nine thousand, nine hundred seventy-five".