2128307126277 has 8 divisors (see below), whose sum is σ = 2838013164000. Its totient is φ = 1418736253040.

The previous prime is 2128307126273. The next prime is 2128307126291. The reversal of 2128307126277 is 7726217038212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2128307126277 - 2² = 2128307126273 is a prime.

It is a super-2 number, since 2×2128307126277² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2128307126273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33754374 + ... + 33817367.

It is an arithmetic number, because the mean of its divisors is an integer number (354751645500).

Almost surely, 2^{2128307126277} is an apocalyptic number.

It is an amenable number.

2128307126277 is a deficient number, since it is larger than the sum of its proper divisors (709706037723).

2128307126277 is a wasteful number, since it uses less digits than its factorization.

2128307126277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67582243.

The product of its (nonzero) digits is 790272, while the sum is 48.

The spelling of 2128307126277 in words is "two trillion, one hundred twenty-eight billion, three hundred seven million, one hundred twenty-six thousand, two hundred seventy-seven".