127856404034 has 16 divisors (see below), whose sum is σ = 195978400128. Its totient is φ = 62531843952.

The previous prime is 127856404021. The next prime is 127856404043. The reversal of 127856404034 is 430404658721.

It is a happy number.

It is a super-3 number, since 3×127856404034³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229532 + ... + 555335.

It is an arithmetic number, because the mean of its divisors is an integer number (12248650008).

Almost surely, 2^127856404034 is an apocalyptic number.

127856404034 is a deficient number, since it is larger than the sum of its proper divisors (68121996094).

127856404034 is a wasteful number, since it uses less digits than its factorization.

127856404034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786649.

The product of its (nonzero) digits is 645120, while the sum is 44.

The spelling of 127856404034 in words is "one hundred twenty-seven billion, eight hundred fifty-six million, four hundred four thousand, thirty-four".