7971910767213 has 8 divisors (see below), whose sum is σ = 10659325446528. Its totient is φ = 5299551633024.

The previous prime is 7971910767203. The next prime is 7971910767253. The reversal of 7971910767213 is 3127670191797.

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

It is not a de Polignac number, because 7971910767213 - 2⁵ = 7971910767181 is a prime.

It is a super-2 number, since 2×7971910767213² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7971910767203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3763885045 + ... + 3763887162.

It is an arithmetic number, because the mean of its divisors is an integer number (1332415680816).

Almost surely, 2^{7971910767213} is an apocalyptic number.

It is an amenable number.

7971910767213 is a deficient number, since it is larger than the sum of its proper divisors (2687414679315).

7971910767213 is a wasteful number, since it uses less digits than its factorization.

7971910767213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7527772563.

The product of its (nonzero) digits is 7001316, while the sum is 60.

The spelling of 7971910767213 in words is "seven trillion, nine hundred seventy-one billion, nine hundred ten million, seven hundred sixty-seven thousand, two hundred thirteen".