127308445772 has 6 divisors (see below), whose sum is σ = 222789780108. Its totient is φ = 63654222884.

The previous prime is 127308445769. The next prime is 127308445801. The reversal of 127308445772 is 277544803721.

It is a self number, because there is not a number n which added to its sum of digits gives 127308445772.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15913555718 + ... + 15913555725.

It is an arithmetic number, because the mean of its divisors is an integer number (37131630018).

Almost surely, 2^127308445772 is an apocalyptic number.

It is an amenable number.

127308445772 is a deficient number, since it is larger than the sum of its proper divisors (95481334336).

127308445772 is a wasteful number, since it uses less digits than its factorization.

127308445772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31827111447 (or 31827111445 counting only the distinct ones).

The product of its (nonzero) digits is 2634240, while the sum is 50.

The spelling of 127308445772 in words is "one hundred twenty-seven billion, three hundred eight million, four hundred forty-five thousand, seven hundred seventy-two".