127746883945 has 64 divisors (see below), whose sum is σ = 171618543936. Its totient is φ = 90862387200.

The previous prime is 127746883921. The next prime is 127746884039. The reversal of 127746883945 is 549388647721.

It can be written as a sum of positive squares in 32 ways, for example, as 10894349376 + 116852534569 = 104376^2 + 341837^2 .

It is a de Polignac number, because none of the positive numbers 2^k-127746883945 is a prime.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16164495 + ... + 16172395.

It is an arithmetic number, because the mean of its divisors is an integer number (2681539749).

Almost surely, 2^127746883945 is an apocalyptic number.

It is an amenable number.

127746883945 is a deficient number, since it is larger than the sum of its proper divisors (43871659991).

127746883945 is a wasteful number, since it uses less digits than its factorization.

127746883945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8110.

The product of its digits is 81285120, while the sum is 64.

The spelling of 127746883945 in words is "one hundred twenty-seven billion, seven hundred forty-six million, eight hundred eighty-three thousand, nine hundred forty-five".