3978985080 has 64 divisors (see below), whose sum is σ = 13642237440. Its totient is φ = 909482112.

The previous prime is 3978985063. The next prime is 3978985117. The reversal of 3978985080 is 805898793.

It is a self number, because there is not a number n which added to its sum of digits gives 3978985080.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2367604 + ... + 2369283.

It is an arithmetic number, because the mean of its divisors is an integer number (213159960).

Almost surely, 2^3978985080 is an apocalyptic number.

3978985080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3978985080 is an abundant number, since it is smaller than the sum of its proper divisors (9663252360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3978985080 is a wasteful number, since it uses less digits than its factorization.

3978985080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4736908 (or 4736904 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 57.

The square root of 3978985080 is about 63079.1968877220. The cubic root of 3978985080 is about 1584.6162438733.

The spelling of 3978985080 in words is "three billion, nine hundred seventy-eight million, nine hundred eighty-five thousand, eighty".