6771172552 has 16 divisors (see below), whose sum is σ = 12697145100. Its totient is φ = 3385267200.

The previous prime is 6771172543. The next prime is 6771172567. The reversal of 6771172552 is 2552711776.

It can be written as a sum of positive squares in 2 ways, for example, as 6378577956 + 392594596 = 79866^2 + 19814^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6771172499 and 6771172508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67224 + ... + 134392.

Almost surely, 2^6771172552 is an apocalyptic number.

It is an amenable number.

6771172552 is a deficient number, since it is larger than the sum of its proper divisors (5925972548).

6771172552 is a wasteful number, since it uses less digits than its factorization.

6771172552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79776 (or 79772 counting only the distinct ones).

The product of its digits is 205800, while the sum is 43.

The square root of 6771172552 is about 82287.1347903182. The cubic root of 6771172552 is about 1891.8554934649.

The spelling of 6771172552 in words is "six billion, seven hundred seventy-one million, one hundred seventy-two thousand, five hundred fifty-two".