127398386332 has 72 divisors (see below), whose sum is σ = 273651436800. Its totient is φ = 51601578336.

The previous prime is 127398386321. The next prime is 127398386341. The reversal of 127398386332 is 233683893721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1519533 + ... + 1601179.

It is an arithmetic number, because the mean of its divisors is an integer number (3800714400).

Almost surely, 2^127398386332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 127398386332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136825718400).

127398386332 is an abundant number, since it is smaller than the sum of its proper divisors (146253050468).

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

127398386332 is a wasteful number, since it uses less digits than its factorization.

127398386332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82103 (or 82094 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 55.

The spelling of 127398386332 in words is "one hundred twenty-seven billion, three hundred ninety-eight million, three hundred eighty-six thousand, three hundred thirty-two".