17960879507 has 4 divisors (see below), whose sum is σ = 18299764080.
Its totient is φ = 17621994936.
The previous prime is 17960879483. The next prime is 17960879527. The reversal of 17960879507 is 70597806971.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-17960879507 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (17960879527) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169442207 + ... + 169442312.
It is an arithmetic number, because the mean of its divisors is an integer number (4574941020).
Almost surely, 217960879507 is an apocalyptic number.
17960879507 is a deficient number, since it is larger than the sum of its proper divisors (338884573).
17960879507 is an equidigital number, since it uses as much as digits as its factorization.
17960879507 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 338884572.
The product of its (nonzero) digits is 6667920, while the sum is 59.
The spelling of 17960879507 in words is "seventeen billion, nine hundred sixty million, eight hundred seventy-nine thousand, five hundred seven".