17128582872 has 32 divisors (see below), whose sum is σ = 42855014400. Its totient is φ = 5705053344.

The previous prime is 17128582841. The next prime is 17128582879. The reversal of 17128582872 is 27828582171.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17128582879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248308 + ... + 309699.

It is an arithmetic number, because the mean of its divisors is an integer number (1339219200).

Almost surely, 2^17128582872 is an apocalyptic number.

17128582872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

17128582872 is an abundant number, since it is smaller than the sum of its proper divisors (25726431528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

17128582872 is a wasteful number, since it uses less digits than its factorization.

17128582872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559295 (or 559291 counting only the distinct ones).

The product of its digits is 1003520, while the sum is 51.

The spelling of 17128582872 in words is "seventeen billion, one hundred twenty-eight million, five hundred eighty-two thousand, eight hundred seventy-two".