17078987853 has 12 divisors (see below), whose sum is σ = 24721157760. Its totient is φ = 11362218696.

The previous prime is 17078987851. The next prime is 17078987867. The reversal of 17078987853 is 35878987071.

It is not a de Polignac number, because 17078987853 - 2¹ = 17078987851 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17078987851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1976551 + ... + 1985172.

It is an arithmetic number, because the mean of its divisors is an integer number (2060096480).

Almost surely, 2^17078987853 is an apocalyptic number.

It is an amenable number.

17078987853 is a deficient number, since it is larger than the sum of its proper divisors (7642169907).

17078987853 is a wasteful number, since it uses less digits than its factorization.

17078987853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3962208 (or 3962205 counting only the distinct ones).

The product of its (nonzero) digits is 23708160, while the sum is 63.

The spelling of 17078987853 in words is "seventeen billion, seventy-eight million, nine hundred eighty-seven thousand, eight hundred fifty-three".