128286873408573 has 32 divisors (see below), whose sum is σ = 208845695329920. Its totient is φ = 77182104746880.

The previous prime is 128286873408569. The next prime is 128286873408593. The reversal of 128286873408573 is 375804378682821.

128286873408573 is a `hidden beast` number, since 1 + 2 + 8 + 2 + 8 + 6 + 8 + 7 + 3 + 40 + 8 + 573 = 666.

It is not a de Polignac number, because 128286873408573 - 2² = 128286873408569 is a prime.

It is a super-3 number, since 3×128286873408573³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128286873408523) 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, 1576391190 + ... + 1576472567.

It is an arithmetic number, because the mean of its divisors is an integer number (6526427979060).

Almost surely, 2^{128286873408573} is an apocalyptic number.

It is an amenable number.

128286873408573 is a deficient number, since it is larger than the sum of its proper divisors (80558821921347).

128286873408573 is a wasteful number, since it uses less digits than its factorization.

128286873408573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3152863914 (or 3152863908 counting only the distinct ones).

The product of its (nonzero) digits is 867041280, while the sum is 72.

The spelling of 128286873408573 in words is "one hundred twenty-eight trillion, two hundred eighty-six billion, eight hundred seventy-three million, four hundred eight thousand, five hundred seventy-three".