2120560677 has 6 divisors (see below), whose sum is σ = 3063032102. Its totient is φ = 1413707112.

The previous prime is 2120560669. The next prime is 2120560709. The reversal of 2120560677 is 7760650212.

2120560677 is a `hidden beast` number, since 2 + 1 + 20 + 560 + 6 + 77 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2117288196 + 3272481 = 46014^2 + 1809^2 .

It is not a de Polignac number, because 2120560677 - 2³ = 2120560669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120560627) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117808918 + ... + 117808935.

Almost surely, 2^2120560677 is an apocalyptic number.

It is an amenable number.

2120560677 is a deficient number, since it is larger than the sum of its proper divisors (942471425).

2120560677 is a wasteful number, since it uses less digits than its factorization.

2120560677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235617859 (or 235617856 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 2120560677 is about 46049.5458935265. The cubic root of 2120560677 is about 1284.7448966963.

The spelling of 2120560677 in words is "two billion, one hundred twenty million, five hundred sixty thousand, six hundred seventy-seven".