12477717677 has 8 divisors (see below), whose sum is σ = 13135577760. Its totient is φ = 11819971440.

The previous prime is 12477717671. The next prime is 12477717737. The reversal of 12477717677 is 77671777421.

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

It is not a de Polignac number, because 12477717677 - 2⁴ = 12477717661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12477717671) 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, 285323 + ... + 326135.

It is an arithmetic number, because the mean of its divisors is an integer number (1641947220).

Almost surely, 2^12477717677 is an apocalyptic number.

It is an amenable number.

12477717677 is a deficient number, since it is larger than the sum of its proper divisors (657860083).

12477717677 is a wasteful number, since it uses less digits than its factorization.

12477717677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56923.

The product of its digits is 5647152, while the sum is 56.

The spelling of 12477717677 in words is "twelve billion, four hundred seventy-seven million, seven hundred seventeen thousand, six hundred seventy-seven".