6777965489 has 8 divisors (see below), whose sum is σ = 6947128320. Its totient is φ = 6610612176.

The previous prime is 6777965479. The next prime is 6777965497. The reversal of 6777965489 is 9845697776.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6777965489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6777965419) 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, 444794 + ... + 459779.

It is an arithmetic number, because the mean of its divisors is an integer number (868391040).

Almost surely, 2^6777965489 is an apocalyptic number.

It is an amenable number.

6777965489 is a deficient number, since it is larger than the sum of its proper divisors (169162831).

6777965489 is a wasteful number, since it uses less digits than its factorization.

6777965489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904759.

The product of its digits is 160030080, while the sum is 68.

The square root of 6777965489 is about 82328.4002577482. The cubic root of 6777965489 is about 1892.4879275057.

The spelling of 6777965489 in words is "six billion, seven hundred seventy-seven million, nine hundred sixty-five thousand, four hundred eighty-nine".