128047360279 has 16 divisors (see below), whose sum is σ = 135782738176. Its totient is φ = 120538886400.

The previous prime is 128047360187. The next prime is 128047360283. The reversal of 128047360279 is 972063740821.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 128047360279 - 2²⁵ = 128013805847 is a prime.

It is a super-3 number, since 3×128047360279³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128047360289) 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, 5950219 + ... + 5971699.

It is an arithmetic number, because the mean of its divisors is an integer number (8486421136).

Almost surely, 2^128047360279 is an apocalyptic number.

128047360279 is a deficient number, since it is larger than the sum of its proper divisors (7735377897).

128047360279 is a wasteful number, since it uses less digits than its factorization.

128047360279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26746.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The spelling of 128047360279 in words is "one hundred twenty-eight billion, forty-seven million, three hundred sixty thousand, two hundred seventy-nine".