128476113276 has 96 divisors (see below), whose sum is σ = 362847969792. Its totient is φ = 34539448320.

The previous prime is 128476113247. The next prime is 128476113307. The reversal of 128476113276 is 672311674821.

It is a super-2 number, since 2×128476113276² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7246815 + ... + 7264521.

It is an arithmetic number, because the mean of its divisors is an integer number (3779666352).

Almost surely, 2^128476113276 is an apocalyptic number.

It is an amenable number.

128476113276 is an abundant number, since it is smaller than the sum of its proper divisors (234371856516).

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

128476113276 is a wasteful number, since it uses less digits than its factorization.

128476113276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22819 (or 22817 counting only the distinct ones).

The product of its digits is 677376, while the sum is 48.

The spelling of 128476113276 in words is "one hundred twenty-eight billion, four hundred seventy-six million, one hundred thirteen thousand, two hundred seventy-six".