12837467378 has 18 divisors (see below), whose sum is σ = 19455558759. Its totient is φ = 6352957632.

The previous prime is 12837467359. The next prime is 12837467389. The reversal of 12837467378 is 87376473821.

It can be written as a sum of positive squares in 5 ways, for example, as 968890129 + 11868577249 = 31127^2 + 108943^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=80117.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 18106088 + ... + 18106796.

Almost surely, 2^12837467378 is an apocalyptic number.

12837467378 is a deficient number, since it is larger than the sum of its proper divisors (6618091381).

12837467378 is an frugal number, since it uses more digits than its factorization.

12837467378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646 (or 824 counting only the distinct ones).

The product of its digits is 9483264, while the sum is 56.

The spelling of 12837467378 in words is "twelve billion, eight hundred thirty-seven million, four hundred sixty-seven thousand, three hundred seventy-eight".