128895674183 has 4 divisors (see below), whose sum is σ = 130100306760. Its totient is φ = 127691041608.

The previous prime is 128895674161. The next prime is 128895674197. The reversal of 128895674183 is 381476598821.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 128895674183 - 2⁶ = 128895674119 is a prime.

It is a super-2 number, since 2×128895674183² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128895674683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 602316128 + ... + 602316341.

It is an arithmetic number, because the mean of its divisors is an integer number (32525076690).

Almost surely, 2^128895674183 is an apocalyptic number.

128895674183 is a deficient number, since it is larger than the sum of its proper divisors (1204632577).

128895674183 is a wasteful number, since it uses less digits than its factorization.

128895674183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204632576.

The product of its digits is 23224320, while the sum is 62.

The spelling of 128895674183 in words is "one hundred twenty-eight billion, eight hundred ninety-five million, six hundred seventy-four thousand, one hundred eighty-three".