5172475737866 has 16 divisors (see below), whose sum is σ = 8415477027720. Its totient is φ = 2374737784320.

The previous prime is 5172475737817. The next prime is 5172475737887. The reversal of 5172475737866 is 6687375742715.

It can be written as a sum of positive squares in 4 ways, for example, as 3582014249641 + 1590461488225 = 1892621^2 + 1261135^2 .

It is a super-2 number, since 2×5172475737866² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5172475737796 and 5172475737805.

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, 1855262501 + ... + 1855265288.

Almost surely, 2^{5172475737866} is an apocalyptic number.

5172475737866 is a deficient number, since it is larger than the sum of its proper divisors (3243001289854).

5172475737866 is a wasteful number, since it uses less digits than its factorization.

5172475737866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3710527849.

The product of its digits is 414892800, while the sum is 68.

The spelling of 5172475737866 in words is "five trillion, one hundred seventy-two billion, four hundred seventy-five million, seven hundred thirty-seven thousand, eight hundred sixty-six".