6627779136 has 84 divisors (see below), whose sum is σ = 20724382224. Its totient is φ = 2008416000.

The previous prime is 6627779113. The next prime is 6627779141. The reversal of 6627779136 is 6319777266.

6627779136 is a `hidden beast` number, since 6 + 627 + 7 + 7 + 9 + 1 + 3 + 6 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 516690 + ... + 529361.

It is an arithmetic number, because the mean of its divisors is an integer number (246718836).

Almost surely, 2^6627779136 is an apocalyptic number.

6627779136 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

6627779136 is an abundant number, since it is smaller than the sum of its proper divisors (14096603088).

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

6627779136 is a wasteful number, since it uses less digits than its factorization.

6627779136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046080 (or 1046067 counting only the distinct ones).

The product of its digits is 4000752, while the sum is 54.

The square root of 6627779136 is about 81411.1732872092. The cubic root of 6627779136 is about 1878.4054625088.

The spelling of 6627779136 in words is "six billion, six hundred twenty-seven million, seven hundred seventy-nine thousand, one hundred thirty-six".