127727868 has 24 divisors (see below), whose sum is σ = 315563472. Its totient is φ = 40071424.

The previous prime is 127727867. The next prime is 127727869. The reversal of 127727868 is 868727721.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (127727867) and next prime (127727869).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127727863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312855 + ... + 313262.

It is an arithmetic number, because the mean of its divisors is an integer number (13148478).

Almost surely, 2^127727868 is an apocalyptic number.

It is an amenable number.

127727868 is an abundant number, since it is smaller than the sum of its proper divisors (187835604).

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

127727868 is a wasteful number, since it uses less digits than its factorization.

127727868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626141 (or 626139 counting only the distinct ones).

The product of its digits is 526848, while the sum is 48.

The square root of 127727868 is about 11301.6754510117. The cubic root of 127727868 is about 503.6110156840.

The spelling of 127727868 in words is "one hundred twenty-seven million, seven hundred twenty-seven thousand, eight hundred sixty-eight".