11727414477 has 24 divisors (see below), whose sum is σ = 17113205304. Its totient is φ = 7738343424.

The previous prime is 11727414473. The next prime is 11727414481. The reversal of 11727414477 is 77441472711.

11727414477 is a `hidden beast` number, since 1 + 172 + 7 + 4 + 1 + 4 + 477 = 666.

It is an interprime number because it is at equal distance from previous prime (11727414473) and next prime (11727414481).

It can be written as a sum of positive squares in 4 ways, for example, as 49154121 + 11678260356 = 7011^2 + 108066^2 .

It is not a de Polignac number, because 11727414477 - 2² = 11727414473 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11727414473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 762253 + ... + 777485.

It is an arithmetic number, because the mean of its divisors is an integer number (713050221).

Almost surely, 2^11727414477 is an apocalyptic number.

It is an amenable number.

11727414477 is a deficient number, since it is larger than the sum of its proper divisors (5385790827).

11727414477 is a wasteful number, since it uses less digits than its factorization.

11727414477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16109 (or 16106 counting only the distinct ones).

The product of its digits is 307328, while the sum is 45.

The spelling of 11727414477 in words is "eleven billion, seven hundred twenty-seven million, four hundred fourteen thousand, four hundred seventy-seven".