127606056978 has 64 divisors (see below), whose sum is σ = 271354406400. Its totient is φ = 39891646080.

The previous prime is 127606056967. The next prime is 127606057013. The reversal of 127606056978 is 879650606721.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6247150 + ... + 6267542.

It is an arithmetic number, because the mean of its divisors is an integer number (4239912600).

Almost surely, 2^127606056978 is an apocalyptic number.

127606056978 is an abundant number, since it is smaller than the sum of its proper divisors (143748349422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

127606056978 is a wasteful number, since it uses less digits than its factorization.

127606056978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20967.

The product of its (nonzero) digits is 7620480, while the sum is 57.

The spelling of 127606056978 in words is "one hundred twenty-seven billion, six hundred six million, fifty-six thousand, nine hundred seventy-eight".