17212849782 has 16 divisors (see below), whose sum is σ = 34463170560. Its totient is φ = 5731371432.

The previous prime is 17212849781. The next prime is 17212849793. The reversal of 17212849782 is 28794821271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17212849781) 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 7 ways as a sum of consecutive naturals, for example, 1555318 + ... + 1566345.

It is an arithmetic number, because the mean of its divisors is an integer number (2153948160).

Almost surely, 2^17212849782 is an apocalyptic number.

17212849782 is an abundant number, since it is smaller than the sum of its proper divisors (17250320778).

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

17212849782 is a wasteful number, since it uses less digits than its factorization.

17212849782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3122587.

The product of its digits is 903168, while the sum is 51.

The spelling of 17212849782 in words is "seventeen billion, two hundred twelve million, eight hundred forty-nine thousand, seven hundred eighty-two".