17972056486 has 8 divisors (see below), whose sum is σ = 27585017064. Its totient is φ = 8777050800.

The previous prime is 17972056469. The next prime is 17972056499. The reversal of 17972056486 is 68465027971.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 104488615 + ... + 104488786.

It is an arithmetic number, because the mean of its divisors is an integer number (3448127133).

Almost surely, 2^17972056486 is an apocalyptic number.

17972056486 is a deficient number, since it is larger than the sum of its proper divisors (9612960578).

17972056486 is a wasteful number, since it uses less digits than its factorization.

17972056486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208977446.

The product of its (nonzero) digits is 5080320, while the sum is 55.

The spelling of 17972056486 in words is "seventeen billion, nine hundred seventy-two million, fifty-six thousand, four hundred eighty-six".