127797839100 has 180 divisors, whose sum is σ = 414555808744. Its totient is φ = 34055925120.

The previous prime is 127797839077. The next prime is 127797839107. The reversal of 127797839100 is 1938797721.

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127797839107) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 13951722 + ... + 13960878.

Almost surely, 2^127797839100 is an apocalyptic number.

127797839100 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 127797839100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207277904372).

127797839100 is an abundant number, since it is smaller than the sum of its proper divisors (286757969644).

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

127797839100 is a wasteful number, since it uses less digits than its factorization.

127797839100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10906 (or 10890 counting only the distinct ones).

The product of its (nonzero) digits is 1333584, while the sum is 54.

The spelling of 127797839100 in words is "one hundred twenty-seven billion, seven hundred ninety-seven million, eight hundred thirty-nine thousand, one hundred".