12877808657 has 8 divisors (see below), whose sum is σ = 15492100800. Its totient is φ = 10457167824.

The previous prime is 12877808653. The next prime is 12877808681. The reversal of 12877808657 is 75680877821.

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

It is a cyclic number.

It is not a de Polignac number, because 12877808657 - 2² = 12877808653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12877808596 and 12877808605.

It is not an unprimeable number, because it can be changed into a prime (12877808653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48412682 + ... + 48412947.

It is an arithmetic number, because the mean of its divisors is an integer number (1936512600).

Almost surely, 2^12877808657 is an apocalyptic number.

It is an amenable number.

12877808657 is a deficient number, since it is larger than the sum of its proper divisors (2614292143).

12877808657 is an equidigital number, since it uses as much as digits as its factorization.

12877808657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96825655.

The product of its (nonzero) digits is 10536960, while the sum is 59.

The spelling of 12877808657 in words is "twelve billion, eight hundred seventy-seven million, eight hundred eight thousand, six hundred fifty-seven".