127276864 has 56 divisors (see below), whose sum is σ = 296741088. Its totient is φ = 53399040.

The previous prime is 127276859. The next prime is 127276873. The reversal of 127276864 is 468672721.

It is a self number, because there is not a number n which added to its sum of digits gives 127276864.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2199 + ... + 16105.

It is an arithmetic number, because the mean of its divisors is an integer number (5298948).

Almost surely, 2^127276864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 127276864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148370544).

127276864 is an abundant number, since it is smaller than the sum of its proper divisors (169464224).

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

127276864 is a wasteful number, since it uses less digits than its factorization.

127276864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13943 (or 13933 counting only the distinct ones).

The product of its digits is 225792, while the sum is 43.

The square root of 127276864 is about 11281.7048357063. The cubic root of 127276864 is about 503.0175705662.

It can be divided in two parts, 12727 and 6864, that added together give a palindrome (19591).

The spelling of 127276864 in words is "one hundred twenty-seven million, two hundred seventy-six thousand, eight hundred sixty-four".