17428887316 has 6 divisors (see below), whose sum is σ = 30500552810. Its totient is φ = 8714443656.

The previous prime is 17428887299. The next prime is 17428887319. The reversal of 17428887316 is 61378882471.

It can be written as a sum of positive squares in only one way, i.e., 16654934916 + 773952400 = 129054^2 + 27820^2 .

It is a super-2 number, since 2×17428887316² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17428887319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2178610911 + ... + 2178610918.

Almost surely, 2^17428887316 is an apocalyptic number.

It is an amenable number.

17428887316 is a deficient number, since it is larger than the sum of its proper divisors (13071665494).

17428887316 is a wasteful number, since it uses less digits than its factorization.

17428887316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4357221833 (or 4357221831 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 55.

The spelling of 17428887316 in words is "seventeen billion, four hundred twenty-eight million, eight hundred eighty-seven thousand, three hundred sixteen".