127606977 has 6 divisors (see below), whose sum is σ = 184321202. Its totient is φ = 85071312.

The previous prime is 127606961. The next prime is 127607003. The reversal of 127606977 is 779606721.

It can be written as a sum of positive squares in only one way, i.e., 127035441 + 571536 = 11271^2 + 756^2 .

It is not a de Polignac number, because 127606977 - 2⁴ = 127606961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127606957) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7089268 + ... + 7089285.

Almost surely, 2^127606977 is an apocalyptic number.

It is an amenable number.

127606977 is a deficient number, since it is larger than the sum of its proper divisors (56714225).

127606977 is a wasteful number, since it uses less digits than its factorization.

127606977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14178559 (or 14178556 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 45.

The square root of 127606977 is about 11296.3258186014. The cubic root of 127606977 is about 503.4520807596.

The spelling of 127606977 in words is "one hundred twenty-seven million, six hundred six thousand, nine hundred seventy-seven".