3989487999908 has 48 divisors (see below), whose sum is σ = 7334239094784. Its totient is φ = 1895198917920.

The previous prime is 3989487999877. The next prime is 3989487999911. The reversal of 3989487999908 is 8099997849893.

It is a Harshad number since it is a multiple of its sum of digits (92).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8779391 + ... + 9222617.

It is an arithmetic number, because the mean of its divisors is an integer number (152796647808).

Almost surely, 2^{3989487999908} is an apocalyptic number.

It is an amenable number.

3989487999908 is a deficient number, since it is larger than the sum of its proper divisors (3344751094876).

3989487999908 is a wasteful number, since it uses less digits than its factorization.

3989487999908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443912 (or 443910 counting only the distinct ones).

The product of its (nonzero) digits is 22856214528, while the sum is 92.

The spelling of 3989487999908 in words is "three trillion, nine hundred eighty-nine billion, four hundred eighty-seven million, nine hundred ninety-nine thousand, nine hundred eight".