12376857397 has 2 divisors, whose sum is σ = 12376857398. Its totient is φ = 12376857396.

The previous prime is 12376857379. The next prime is 12376857403. The reversal of 12376857397 is 79375867321.

It is a happy number.

Together with previous prime (12376857379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8403572241 + 3973285156 = 91671^2 + 63034^2 .

It is a cyclic number.

It is not a de Polignac number, because 12376857397 - 2¹¹ = 12376855349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12376857347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6188428698 + 6188428699.

It is an arithmetic number, because the mean of its divisors is an integer number (6188428699).

Almost surely, 2^12376857397 is an apocalyptic number.

It is an amenable number.

12376857397 is a deficient number, since it is larger than the sum of its proper divisors (1).

12376857397 is an equidigital number, since it uses as much as digits as its factorization.

12376857397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13335840, while the sum is 58.

The spelling of 12376857397 in words is "twelve billion, three hundred seventy-six million, eight hundred fifty-seven thousand, three hundred ninety-seven".