817480827169 has 16 divisors (see below), whose sum is σ = 827243539200. Its totient is φ = 807776066944.

The previous prime is 817480827151. The next prime is 817480827179. The reversal of 817480827169 is 961728084718.

It is a cyclic number.

It is not a de Polignac number, because 817480827169 - 2³³ = 808890892577 is a prime.

It is a super-2 number, since 2×817480827169² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (817480827179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116463342 + ... + 116470360.

It is an arithmetic number, because the mean of its divisors is an integer number (51702721200).

Almost surely, 2^817480827169 is an apocalyptic number.

It is an amenable number.

817480827169 is a deficient number, since it is larger than the sum of its proper divisors (9762712031).

817480827169 is a wasteful number, since it uses less digits than its factorization.

817480827169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10952.

The product of its (nonzero) digits is 10838016, while the sum is 61.

The spelling of 817480827169 in words is "eight hundred seventeen billion, four hundred eighty million, eight hundred twenty-seven thousand, one hundred sixty-nine".