17968325774 has 48 divisors (see below), whose sum is σ = 31564323648. Its totient is φ = 7648962048.

The previous prime is 17968325773. The next prime is 17968325819. The reversal of 17968325774 is 47752386971.

It is a happy number.

It is a super-2 number, since 2×17968325774² (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 (17968325773) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13539899 + ... + 13541225.

It is an arithmetic number, because the mean of its divisors is an integer number (657590076).

Almost surely, 2^17968325774 is an apocalyptic number.

17968325774 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

17968325774 is a deficient number, since it is larger than the sum of its proper divisors (13595997874).

17968325774 is a wasteful number, since it uses less digits than its factorization.

17968325774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2169 (or 2162 counting only the distinct ones).

The product of its digits is 17781120, while the sum is 59.

The spelling of 17968325774 in words is "seventeen billion, nine hundred sixty-eight million, three hundred twenty-five thousand, seven hundred seventy-four".