12397787372467 has 64 divisors (see below), whose sum is σ = 15088877056000. Its totient is φ = 9969870718080.

The previous prime is 12397787372437. The next prime is 12397787372471. The reversal of 12397787372467 is 76427378779321.

It is a happy number.

It is not a de Polignac number, because 12397787372467 - 2³⁹ = 11848031558579 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12397787372467.

It is not an unprimeable number, because it can be changed into a prime (12397787372407) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1626788917 + ... + 1626796537.

It is an arithmetic number, because the mean of its divisors is an integer number (235763704000).

Almost surely, 2^{12397787372467} is an apocalyptic number.

12397787372467 is a deficient number, since it is larger than the sum of its proper divisors (2691089683533).

12397787372467 is an frugal number, since it uses more digits than its factorization.

12397787372467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7873 (or 7787 counting only the distinct ones).

The product of its digits is 1045529856, while the sum is 73.

The spelling of 12397787372467 in words is "twelve trillion, three hundred ninety-seven billion, seven hundred eighty-seven million, three hundred seventy-two thousand, four hundred sixty-seven".