6777560484 has 18 divisors (see below), whose sum is σ = 17132166870. Its totient is φ = 2259186816.

The previous prime is 6777560477. The next prime is 6777560497. The reversal of 6777560484 is 4840657776.

6777560484 is a `hidden beast` number, since 6 + 7 + 77 + 560 + 4 + 8 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6573642084 + 203918400 = 81078^2 + 14280^2 .

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

It is a super-2 number, since 2×6777560484² = 91870652228556628512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6777560484.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 94132749 + ... + 94132820.

Almost surely, 2^6777560484 is an apocalyptic number.

It is an amenable number.

6777560484 is an abundant number, since it is smaller than the sum of its proper divisors (10354606386).

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

6777560484 is a wasteful number, since it uses less digits than its factorization.

6777560484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188265579 (or 188265574 counting only the distinct ones).

The product of its (nonzero) digits is 7902720, while the sum is 54.

The square root of 6777560484 is about 82325.9405290945. The cubic root of 6777560484 is about 1892.4502326969.

The spelling of 6777560484 in words is "six billion, seven hundred seventy-seven million, five hundred sixty thousand, four hundred eighty-four".