127662213609 has 48 divisors (see below), whose sum is σ = 223964582400. Its totient is φ = 68405160960.

The previous prime is 127662213599. The next prime is 127662213611. The reversal of 127662213609 is 906312266721.

127662213609 is a `hidden beast` number, since 1 + 2 + 7 + 6 + 6 + 22 + 13 + 609 = 666.

It is not a de Polignac number, because 127662213609 - 2¹⁹ = 127661689321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (127662213619) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 70317 + ... + 510165.

It is an arithmetic number, because the mean of its divisors is an integer number (4665928800).

Almost surely, 2^127662213609 is an apocalyptic number.

It is an amenable number.

127662213609 is a deficient number, since it is larger than the sum of its proper divisors (96302368791).

127662213609 is a wasteful number, since it uses less digits than its factorization.

127662213609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440150 (or 440147 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 127662213609 in words is "one hundred twenty-seven billion, six hundred sixty-two million, two hundred thirteen thousand, six hundred nine".