6777812652 has 24 divisors (see below), whose sum is σ = 17031427056. Its totient is φ = 2085480768.

The previous prime is 6777812641. The next prime is 6777812669. The reversal of 6777812652 is 2562187776.

It is a super-2 number, since 2×6777812652² = 91877488691222546208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6777812595 and 6777812604.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21723603 + ... + 21723914.

It is an arithmetic number, because the mean of its divisors is an integer number (709642794).

Almost surely, 2^6777812652 is an apocalyptic number.

It is an amenable number.

6777812652 is an abundant number, since it is smaller than the sum of its proper divisors (10253614404).

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

6777812652 is a wasteful number, since it uses less digits than its factorization.

6777812652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43447537 (or 43447535 counting only the distinct ones).

The product of its digits is 1975680, while the sum is 51.

The square root of 6777812652 is about 82327.4720369817. The cubic root of 6777812652 is about 1892.4737027676.

The spelling of 6777812652 in words is "six billion, seven hundred seventy-seven million, eight hundred twelve thousand, six hundred fifty-two".