17990478006 has 8 divisors (see below), whose sum is σ = 35980956024. Its totient is φ = 5996826000.

The previous prime is 17990477977. The next prime is 17990478017. The reversal of 17990478006 is 60087409971.

17990478006 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

17990478006 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 17990478006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1499206495 + ... + 1499206506.

It is an arithmetic number, because the mean of its divisors is an integer number (4497619503).

Almost surely, 2^17990478006 is an apocalyptic number.

17990478006 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

17990478006 is a wasteful number, since it uses less digits than its factorization.

17990478006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2998413006.

The product of its (nonzero) digits is 762048, while the sum is 51.

The spelling of 17990478006 in words is "seventeen billion, nine hundred ninety million, four hundred seventy-eight thousand, six".