6777282089 has 4 divisors (see below), whose sum is σ = 6777730500. Its totient is φ = 6776833680.

The previous prime is 6777282047. The next prime is 6777282137. The reversal of 6777282089 is 9802827776.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4559625625 + 2217656464 = 67525^2 + 47092^2 .

It is a cyclic number.

It is not a de Polignac number, because 6777282089 - 2¹⁶ = 6777216553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6777282389) 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, 200714 + ... + 232035.

It is an arithmetic number, because the mean of its divisors is an integer number (1694432625).

Almost surely, 2^6777282089 is an apocalyptic number.

It is an amenable number.

6777282089 is a deficient number, since it is larger than the sum of its proper divisors (448411).

6777282089 is a wasteful number, since it uses less digits than its factorization.

6777282089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448410.

The product of its (nonzero) digits is 4741632, while the sum is 56.

The square root of 6777282089 is about 82324.2497020167. The cubic root of 6777282089 is about 1892.4243209204.

The spelling of 6777282089 in words is "six billion, seven hundred seventy-seven million, two hundred eighty-two thousand, eighty-nine".