3979101128 has 16 divisors (see below), whose sum is σ = 7587270000. Its totient is φ = 1955829136.

The previous prime is 3979101109. The next prime is 3979101149. The reversal of 3979101128 is 8211019793.

It is a happy 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, 4214678 + ... + 4215621.

It is an arithmetic number, because the mean of its divisors is an integer number (474204375).

Almost surely, 2^3979101128 is an apocalyptic number.

It is an amenable number.

3979101128 is a deficient number, since it is larger than the sum of its proper divisors (3608168872).

3979101128 is a wasteful number, since it uses less digits than its factorization.

3979101128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8430364 (or 8430360 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 41.

The square root of 3979101128 is about 63080.1167405388. The cubic root of 3979101128 is about 1584.6316489539.

The spelling of 3979101128 in words is "three billion, nine hundred seventy-nine million, one hundred one thousand, one hundred twenty-eight".