6756777556722 has 12 divisors (see below), whose sum is σ = 14639684706270. Its totient is φ = 2252259185568.

The previous prime is 6756777556699. The next prime is 6756777556799. The reversal of 6756777556722 is 2276557776576.

6756777556722 is a `hidden beast` number, since 6 + 7 + 5 + 67 + 7 + 7 + 556 + 7 + 2 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5618990534481 + 1137787022241 = 2370441^2 + 1066671^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 187688265447 + ... + 187688265482.

Almost surely, 2^{6756777556722} is an apocalyptic number.

6756777556722 is an abundant number, since it is smaller than the sum of its proper divisors (7882907149548).

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

6756777556722 is a wasteful number, since it uses less digits than its factorization.

6756777556722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375376530937 (or 375376530934 counting only the distinct ones).

The product of its digits is 1815156000, while the sum is 72.

The spelling of 6756777556722 in words is "six trillion, seven hundred fifty-six billion, seven hundred seventy-seven million, five hundred fifty-six thousand, seven hundred twenty-two".