3988879560 has 128 divisors (see below), whose sum is σ = 13322793600. Its totient is φ = 1061579520.

The previous prime is 3988879549. The next prime is 3988879561. The reversal of 3988879560 is 659788893.

3988879560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3988879560² = 31822320288371587200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3988879561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 580867 + ... + 587693.

It is an arithmetic number, because the mean of its divisors is an integer number (104084325).

Almost surely, 2^3988879560 is an apocalyptic number.

3988879560 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3988879560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6661396800).

3988879560 is an abundant number, since it is smaller than the sum of its proper divisors (9333914040).

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

3988879560 is a wasteful number, since it uses less digits than its factorization.

3988879560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7388 (or 7378 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 63.

The square root of 3988879560 is about 63157.5772176229. The cubic root of 3988879560 is about 1585.9286367858.

The spelling of 3988879560 in words is "three billion, nine hundred eighty-eight million, eight hundred seventy-nine thousand, five hundred sixty".