6777449244 has 18 divisors (see below), whose sum is σ = 17131885680. Its totient is φ = 2259149736.

The previous prime is 6777449191. The next prime is 6777449249. The reversal of 6777449244 is 4429447776.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6777449249) 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, 94131204 + ... + 94131275.

Almost surely, 2^6777449244 is an apocalyptic number.

It is an amenable number.

6777449244 is an abundant number, since it is smaller than the sum of its proper divisors (10354436436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6777449244 is a wasteful number, since it uses less digits than its factorization.

6777449244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188262489 (or 188262484 counting only the distinct ones).

The product of its digits is 9483264, while the sum is 54.

The square root of 6777449244 is about 82325.2649191000. The cubic root of 6777449244 is about 1892.4398790543.

The spelling of 6777449244 in words is "six billion, seven hundred seventy-seven million, four hundred forty-nine thousand, two hundred forty-four".