6777049266 has 48 divisors (see below), whose sum is σ = 16358411160. Its totient is φ = 2013338880.

The previous prime is 6777049261. The next prime is 6777049267. The reversal of 6777049266 is 6629407776.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3847100625 + 2929948641 = 62025^2 + 54129^2 .

It is a super-2 number, since 2×6777049266² = 91856793507582277512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6777049261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 492555 + ... + 506126.

Almost surely, 2^6777049266 is an apocalyptic number.

6777049266 is an abundant number, since it is smaller than the sum of its proper divisors (9581361894).

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

6777049266 is a wasteful number, since it uses less digits than its factorization.

6777049266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998731 (or 998728 counting only the distinct ones).

The product of its (nonzero) digits is 5334336, while the sum is 54.

The square root of 6777049266 is about 82322.8356290039. The cubic root of 6777049266 is about 1892.4026502395.

The spelling of 6777049266 in words is "six billion, seven hundred seventy-seven million, forty-nine thousand, two hundred sixty-six".