128441825877 has 16 divisors (see below), whose sum is σ = 171865281600. Its totient is φ = 85323635712.

The previous prime is 128441825851. The next prime is 128441825893. The reversal of 128441825877 is 778528144821.

It is not a de Polignac number, because 128441825877 - 2¹⁰ = 128441824853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128441825077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 956698 + ... + 1082660.

It is an arithmetic number, because the mean of its divisors is an integer number (10741580100).

Almost surely, 2^128441825877 is an apocalyptic number.

It is an amenable number.

128441825877 is a deficient number, since it is larger than the sum of its proper divisors (43423455723).

128441825877 is a wasteful number, since it uses less digits than its factorization.

128441825877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127172.

The product of its digits is 8028160, while the sum is 57.

The spelling of 128441825877 in words is "one hundred twenty-eight billion, four hundred forty-one million, eight hundred twenty-five thousand, eight hundred seventy-seven".