127449957888 has 120 divisors (see below), whose sum is σ = 401268386376. Its totient is φ = 38621184000.

The previous prime is 127449957851. The next prime is 127449957917. The reversal of 127449957888 is 888759944721.

127449957888 is a `hidden beast` number, since 1 + 2 + 7 + 4 + 49 + 9 + 578 + 8 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1206513 + ... + 1307888.

Almost surely, 2^127449957888 is an apocalyptic number.

127449957888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

127449957888 is an abundant number, since it is smaller than the sum of its proper divisors (273818428488).

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

127449957888 is a wasteful number, since it uses less digits than its factorization.

127449957888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514436 (or 2514417 counting only the distinct ones).

The product of its digits is 325140480, while the sum is 72.

The spelling of 127449957888 in words is "one hundred twenty-seven billion, four hundred forty-nine million, nine hundred fifty-seven thousand, eight hundred eighty-eight".