12877146455 has 4 divisors (see below), whose sum is σ = 15452575752. Its totient is φ = 10301717160.

The previous prime is 12877146449. The next prime is 12877146461. The reversal of 12877146455 is 55464177821.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12877146449) and next prime (12877146461).

It is not a de Polignac number, because 12877146455 - 2⁶ = 12877146391 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 1287714641 + ... + 1287714650.

It is an arithmetic number, because the mean of its divisors is an integer number (3863143938).

Almost surely, 2^12877146455 is an apocalyptic number.

12877146455 is a deficient number, since it is larger than the sum of its proper divisors (2575429297).

12877146455 is an equidigital number, since it uses as much as digits as its factorization.

12877146455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2575429296.

The product of its digits is 1881600, while the sum is 50.

The spelling of 12877146455 in words is "twelve billion, eight hundred seventy-seven million, one hundred forty-six thousand, four hundred fifty-five".