12678415583 has 2 divisors, whose sum is σ = 12678415584. Its totient is φ = 12678415582.

The previous prime is 12678415579. The next prime is 12678415657. The reversal of 12678415583 is 38551487621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12678415583 - 2² = 12678415579 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12678415553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6339207791 + 6339207792.

It is an arithmetic number, because the mean of its divisors is an integer number (6339207792).

Almost surely, 2^12678415583 is an apocalyptic number.

12678415583 is a deficient number, since it is larger than the sum of its proper divisors (1).

12678415583 is an equidigital number, since it uses as much as digits as its factorization.

12678415583 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1612800, while the sum is 50.

The spelling of 12678415583 in words is "twelve billion, six hundred seventy-eight million, four hundred fifteen thousand, five hundred eighty-three".