6777056544 has 24 divisors (see below), whose sum is σ = 17789773680. Its totient is φ = 2259018816.

The previous prime is 6777056479. The next prime is 6777056551. The reversal of 6777056544 is 4456507776.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35297074 + ... + 35297265.

It is an arithmetic number, because the mean of its divisors is an integer number (741240570).

Almost surely, 2^6777056544 is an apocalyptic number.

It is an amenable number.

6777056544 is an abundant number, since it is smaller than the sum of its proper divisors (11012717136).

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

6777056544 is a wasteful number, since it uses less digits than its factorization.

6777056544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70594352 (or 70594344 counting only the distinct ones).

The product of its (nonzero) digits is 4939200, while the sum is 51.

The square root of 6777056544 is about 82322.8798330088. The cubic root of 6777056544 is about 1892.4033276681.

The spelling of 6777056544 in words is "six billion, seven hundred seventy-seven million, fifty-six thousand, five hundred forty-four".