7989017471 has 8 divisors (see below), whose sum is σ = 8248172544. Its totient is φ = 7729952760.

The previous prime is 7989017459. The next prime is 7989017473. The reversal of 7989017471 is 1747109897.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7989017471 is a prime.

It is a super-3 number, since 3×7989017471³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7989017473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188570 + ... + 227016.

It is an arithmetic number, because the mean of its divisors is an integer number (1031021568).

Almost surely, 2^7989017471 is an apocalyptic number.

7989017471 is a deficient number, since it is larger than the sum of its proper divisors (259155073).

7989017471 is a wasteful number, since it uses less digits than its factorization.

7989017471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45181.

The product of its (nonzero) digits is 889056, while the sum is 53.

The square root of 7989017471 is about 89381.3038112557. The cubic root of 7989017471 is about 1999.0843701249.

The spelling of 7989017471 in words is "seven billion, nine hundred eighty-nine million, seventeen thousand, four hundred seventy-one".