17297982879385 has 32 divisors (see below), whose sum is σ = 22530424637952. Its totient is φ = 12673309059840.

The previous prime is 17297982879377. The next prime is 17297982879391. The reversal of 17297982879385 is 58397828979271.

It is not a de Polignac number, because 17297982879385 - 2³ = 17297982879377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35152512 + ... + 35641198.

It is an arithmetic number, because the mean of its divisors is an integer number (704075769936).

Almost surely, 2^{17297982879385} is an apocalyptic number.

It is an amenable number.

17297982879385 is a deficient number, since it is larger than the sum of its proper divisors (5232441758567).

17297982879385 is a wasteful number, since it uses less digits than its factorization.

17297982879385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492993.

The product of its digits is 7681443840, while the sum is 85.

The spelling of 17297982879385 in words is "seventeen trillion, two hundred ninety-seven billion, nine hundred eighty-two million, eight hundred seventy-nine thousand, three hundred eighty-five".