127861578026044 has 6 divisors (see below), whose sum is σ = 223757761545584. Its totient is φ = 63930789013020.

The previous prime is 127861578026023. The next prime is 127861578026081. The reversal of 127861578026044 is 440620875168721.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15982697253252 + ... + 15982697253259.

Almost surely, 2^{127861578026044} is an apocalyptic number.

It is an amenable number.

127861578026044 is a deficient number, since it is larger than the sum of its proper divisors (95896183519540).

127861578026044 is a wasteful number, since it uses less digits than its factorization.

127861578026044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31965394506515 (or 31965394506513 counting only the distinct ones).

The product of its (nonzero) digits is 36126720, while the sum is 61.

The spelling of 127861578026044 in words is "one hundred twenty-seven trillion, eight hundred sixty-one billion, five hundred seventy-eight million, twenty-six thousand, forty-four".