1027317856347 has 6 divisors (see below), whose sum is σ = 1483903570292. Its totient is φ = 684878570892.

The previous prime is 1027317856289. The next prime is 1027317856349. The reversal of 1027317856347 is 7436587137201.

1027317856347 is a `hidden beast` number, since 1 + 0 + 2 + 7 + 3 + 1 + 78 + 563 + 4 + 7 = 666.

It is not a de Polignac number, because 1027317856347 - 2⁷ = 1027317856219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1027317856293 and 1027317856302.

It is not an unprimeable number, because it can be changed into a prime (1027317856349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57073214233 + ... + 57073214250.

Almost surely, 2^{1027317856347} is an apocalyptic number.

1027317856347 is a deficient number, since it is larger than the sum of its proper divisors (456585713945).

1027317856347 is a wasteful number, since it uses less digits than its factorization.

1027317856347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114146428489 (or 114146428486 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 54.

The spelling of 1027317856347 in words is "one trillion, twenty-seven billion, three hundred seventeen million, eight hundred fifty-six thousand, three hundred forty-seven".