12455078676437 has 2 divisors, whose sum is σ = 12455078676438. Its totient is φ = 12455078676436.

The previous prime is 12455078676419. The next prime is 12455078676517. The reversal of 12455078676437 is 73467687055421.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11029612219396 + 1425466457041 = 3321086^2 + 1193929^2 .

It is a cyclic number.

It is not a de Polignac number, because 12455078676437 - 2³⁶ = 12386359199701 is a prime.

It is a super-3 number, since 3×12455078676437³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12455078678437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6227539338218 + 6227539338219.

It is an arithmetic number, because the mean of its divisors is an integer number (6227539338219).

Almost surely, 2^{12455078676437} is an apocalyptic number.

It is an amenable number.

12455078676437 is a deficient number, since it is larger than the sum of its proper divisors (1).

12455078676437 is an equidigital number, since it uses as much as digits as its factorization.

12455078676437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 237081600, while the sum is 65.

The spelling of 12455078676437 in words is "twelve trillion, four hundred fifty-five billion, seventy-eight million, six hundred seventy-six thousand, four hundred thirty-seven".