128016876 has 48 divisors (see below), whose sum is σ = 325592064. Its totient is φ = 38911296.

The previous prime is 128016869. The next prime is 128016901. The reversal of 128016876 is 678610821.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 8005 + ... + 17891.

It is an arithmetic number, because the mean of its divisors is an integer number (6783168).

Almost surely, 2^128016876 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 128016876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162796032).

128016876 is an abundant number, since it is smaller than the sum of its proper divisors (197575188).

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

128016876 is a wasteful number, since it uses less digits than its factorization.

128016876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9990 (or 9988 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 128016876 is about 11314.4542952809. The cubic root of 128016876 is about 503.9905673468.

The spelling of 128016876 in words is "one hundred twenty-eight million, sixteen thousand, eight hundred seventy-six".