12957798167 has 8 divisors (see below), whose sum is σ = 13526546400. Its totient is φ = 12389497120.

The previous prime is 12957798143. The next prime is 12957798169. The reversal of 12957798167 is 76189775921.

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 not a de Polignac number, because 12957798167 - 2¹² = 12957794071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12957798169) 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, 51884 + ... + 169137.

It is an arithmetic number, because the mean of its divisors is an integer number (1690818300).

Almost surely, 2^12957798167 is an apocalyptic number.

12957798167 is a deficient number, since it is larger than the sum of its proper divisors (568748233).

12957798167 is a wasteful number, since it uses less digits than its factorization.

12957798167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223593.

The product of its digits is 13335840, while the sum is 62.

The spelling of 12957798167 in words is "twelve billion, nine hundred fifty-seven million, seven hundred ninety-eight thousand, one hundred sixty-seven".