127382617650 has 96 divisors (see below), whose sum is σ = 325120083840. Its totient is φ = 32982059520.

The previous prime is 127382617619. The next prime is 127382617693. The reversal of 127382617650 is 56716283721.

It is a self number, because there is not a number n which added to its sum of digits gives 127382617650.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2679286 + ... + 2726414.

It is an arithmetic number, because the mean of its divisors is an integer number (3386667540).

Almost surely, 2^127382617650 is an apocalyptic number.

127382617650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 127382617650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162560041920).

127382617650 is an abundant number, since it is smaller than the sum of its proper divisors (197737466190).

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

127382617650 is a wasteful number, since it uses less digits than its factorization.

127382617650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47668 (or 47663 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 127382617650 in words is "one hundred twenty-seven billion, three hundred eighty-two million, six hundred seventeen thousand, six hundred fifty".