127771364756 has 24 divisors (see below), whose sum is σ = 255824525376. Its totient is φ = 54698771520.

The previous prime is 127771364731. The next prime is 127771364759. The reversal of 127771364756 is 657463177721.

It is a super-2 number, since 2×127771364756² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127771364759) 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, 2490185 + ... + 2540976.

It is an arithmetic number, because the mean of its divisors is an integer number (10659355224).

Almost surely, 2^127771364756 is an apocalyptic number.

It is an amenable number.

127771364756 is an abundant number, since it is smaller than the sum of its proper divisors (128053160620).

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

127771364756 is a wasteful number, since it uses less digits than its factorization.

127771364756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5032079 (or 5032077 counting only the distinct ones).

The product of its digits is 10372320, while the sum is 56.

The spelling of 127771364756 in words is "one hundred twenty-seven billion, seven hundred seventy-one million, three hundred sixty-four thousand, seven hundred fifty-six".