171004579747 has 2 divisors, whose sum is σ = 171004579748. Its totient is φ = 171004579746.

The previous prime is 171004579727. The next prime is 171004579771. The reversal of 171004579747 is 747975400171.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 171004579747 - 2¹¹ = 171004577699 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 171004579694 and 171004579703.

It is not a weakly prime, because it can be changed into another prime (171004579727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85502289873 + 85502289874.

It is an arithmetic number, because the mean of its divisors is an integer number (85502289874).

Almost surely, 2^171004579747 is an apocalyptic number.

171004579747 is a deficient number, since it is larger than the sum of its proper divisors (1).

171004579747 is an equidigital number, since it uses as much as digits as its factorization.

171004579747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728720, while the sum is 52.

The spelling of 171004579747 in words is "one hundred seventy-one billion, four million, five hundred seventy-nine thousand, seven hundred forty-seven".