2756877889 has 4 divisors (see below), whose sum is σ = 2758250800. Its totient is φ = 2755504980.

The previous prime is 2756877883. The next prime is 2756877899. The reversal of 2756877889 is 9887786572.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2756877889 - 2¹³ = 2756869697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2756877883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683439 + ... + 687460.

It is an arithmetic number, because the mean of its divisors is an integer number (689562700).

Almost surely, 2^2756877889 is an apocalyptic number.

It is an amenable number.

2756877889 is a deficient number, since it is larger than the sum of its proper divisors (1372911).

2756877889 is a wasteful number, since it uses less digits than its factorization.

2756877889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372910.

The product of its digits is 94832640, while the sum is 67.

The square root of 2756877889 is about 52505.9795547136. The cubic root of 2756877889 is about 1402.1866999296.

The spelling of 2756877889 in words is "two billion, seven hundred fifty-six million, eight hundred seventy-seven thousand, eight hundred eighty-nine".