17971026047 has 8 divisors (see below), whose sum is σ = 19618528944. Its totient is φ = 16361396928.

The previous prime is 17971025983. The next prime is 17971026061. The reversal of 17971026047 is 74062017971.

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

It is a cyclic number.

It is not a de Polignac number, because 17971026047 - 2⁶ = 17971025983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 17971025989 and 17971026007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17971026547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9467453 + ... + 9469350.

It is an arithmetic number, because the mean of its divisors is an integer number (2452316118).

Almost surely, 2^17971026047 is an apocalyptic number.

17971026047 is a deficient number, since it is larger than the sum of its proper divisors (1647502897).

17971026047 is a wasteful number, since it uses less digits than its factorization.

17971026047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18936889.

The product of its (nonzero) digits is 148176, while the sum is 44.

The spelling of 17971026047 in words is "seventeen billion, nine hundred seventy-one million, twenty-six thousand, forty-seven".