128260774876 has 24 divisors (see below), whose sum is σ = 241734114720. Its totient is φ = 59194370112.

The previous prime is 128260774861. The next prime is 128260774897. The reversal of 128260774876 is 678477062821.

It is a self number, because there is not a number n which added to its sum of digits gives 128260774876.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1296330 + ... + 1391758.

It is an arithmetic number, because the mean of its divisors is an integer number (10072254780).

Almost surely, 2^128260774876 is an apocalyptic number.

It is an amenable number.

128260774876 is a deficient number, since it is larger than the sum of its proper divisors (113473339844).

128260774876 is a wasteful number, since it uses less digits than its factorization.

128260774876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121293 (or 121291 counting only the distinct ones).

The product of its (nonzero) digits is 12644352, while the sum is 58.

The spelling of 128260774876 in words is "one hundred twenty-eight billion, two hundred sixty million, seven hundred seventy-four thousand, eight hundred seventy-six".