7968457297471 has 4 divisors (see below), whose sum is σ = 8692862506344. Its totient is φ = 7244052088600.

The previous prime is 7968457297459. The next prime is 7968457297477. The reversal of 7968457297471 is 1747927548697.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7968457297471 - 2¹³ = 7968457289279 is a prime.

It is a super-3 number, since 3×7968457297471³ (a number of 40 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 (7968457297477) 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, 362202604420 + ... + 362202604441.

It is an arithmetic number, because the mean of its divisors is an integer number (2173215626586).

Almost surely, 2^{7968457297471} is an apocalyptic number.

7968457297471 is a deficient number, since it is larger than the sum of its proper divisors (724405208873).

7968457297471 is a wasteful number, since it uses less digits than its factorization.

7968457297471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724405208872.

The product of its digits is 1493614080, while the sum is 76.

The spelling of 7968457297471 in words is "seven trillion, nine hundred sixty-eight billion, four hundred fifty-seven million, two hundred ninety-seven thousand, four hundred seventy-one".