17056868386 has 4 divisors (see below), whose sum is σ = 25585302582. Its totient is φ = 8528434192.

The previous prime is 17056868357. The next prime is 17056868443. The reversal of 17056868386 is 68386865071.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 14702775025 + 2354093361 = 121255^2 + 48519^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 17056868386.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4264217095 + ... + 4264217098.

Almost surely, 2^17056868386 is an apocalyptic number.

17056868386 is a deficient number, since it is larger than the sum of its proper divisors (8528434196).

17056868386 is an equidigital number, since it uses as much as digits as its factorization.

17056868386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8528434195.

The product of its (nonzero) digits is 11612160, while the sum is 58.

The spelling of 17056868386 in words is "seventeen billion, fifty-six million, eight hundred sixty-eight thousand, three hundred eighty-six".