127478221948 has 96 divisors (see below), whose sum is σ = 289742745600. Its totient is φ = 47623334400.

The previous prime is 127478221939. The next prime is 127478221951. The reversal of 127478221948 is 849122874721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 979488 + ... + 1101976.

It is an arithmetic number, because the mean of its divisors is an integer number (3018153600).

Almost surely, 2^127478221948 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 127478221948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144871372800).

127478221948 is an abundant number, since it is smaller than the sum of its proper divisors (162264523652).

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

127478221948 is a wasteful number, since it uses less digits than its factorization.

127478221948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122651 (or 122649 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 55.

The spelling of 127478221948 in words is "one hundred twenty-seven billion, four hundred seventy-eight million, two hundred twenty-one thousand, nine hundred forty-eight".