127861771872760 has 64 divisors (see below), whose sum is σ = 289184785999200. Its totient is φ = 50878798381056.

The previous prime is 127861771872689. The next prime is 127861771872899. The reversal of 127861771872760 is 67278177168721.

It is a self number, because there is not a number n which added to its sum of digits gives 127861771872760.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 574943907 + ... + 575166253.

Almost surely, 2^{127861771872760} is an apocalyptic number.

127861771872760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127861771872760 is an abundant number, since it is smaller than the sum of its proper divisors (161323014126440).

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

127861771872760 is a wasteful number, since it uses less digits than its factorization.

127861771872760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297040 (or 297036 counting only the distinct ones).

The product of its (nonzero) digits is 154893312, while the sum is 70.

The spelling of 127861771872760 in words is "one hundred twenty-seven trillion, eight hundred sixty-one billion, seven hundred seventy-one million, eight hundred seventy-two thousand, seven hundred sixty".