127818697760880 has 640 divisors, whose sum is σ = 467553050689536. Its totient is φ = 28278747340800.

The previous prime is 127818697760879. The next prime is 127818697760893. The reversal of 127818697760880 is 88067796818721.

It is a junction number, because it is equal to n+sod(n) for n = 127818697760796 and 127818697760805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5038765957 + ... + 5038791323.

Almost surely, 2^{127818697760880} is an apocalyptic number.

127818697760880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 127818697760880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233776525344768).

127818697760880 is an abundant number, since it is smaller than the sum of its proper divisors (339734352928656).

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

127818697760880 is a wasteful number, since it uses less digits than its factorization.

127818697760880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26005 (or 25999 counting only the distinct ones).

The product of its (nonzero) digits is 910393344, while the sum is 78.

The spelling of 127818697760880 in words is "one hundred twenty-seven trillion, eight hundred eighteen billion, six hundred ninety-seven million, seven hundred sixty thousand, eight hundred eighty".