12677400422578 has 8 divisors (see below), whose sum is σ = 19038289785372. Its totient is φ = 6331303827456.

The previous prime is 12677400422461. The next prime is 12677400422581. The reversal of 12677400422578 is 87522400477621.

It can be written as a sum of positive squares in 2 ways, for example, as 12330400492089 + 346999930489 = 3511467^2 + 589067^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×12677400422578³ (a number of 40 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3698189775 + ... + 3698193202.

Almost surely, 2^{12677400422578} is an apocalyptic number.

12677400422578 is a deficient number, since it is larger than the sum of its proper divisors (6360889362794).

12677400422578 is an equidigital number, since it uses as much as digits as its factorization.

12677400422578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7396383836.

The product of its (nonzero) digits is 10536960, while the sum is 55.

The spelling of 12677400422578 in words is "twelve trillion, six hundred seventy-seven billion, four hundred million, four hundred twenty-two thousand, five hundred seventy-eight".