127987832 has 64 divisors (see below), whose sum is σ = 292144320. Its totient is φ = 51314688.

The previous prime is 127987807. The next prime is 127987841. The reversal of 127987832 is 238789721.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221528 + ... + 222104.

It is an arithmetic number, because the mean of its divisors is an integer number (4564755).

Almost surely, 2^127987832 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 127987832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146072160).

127987832 is an abundant number, since it is smaller than the sum of its proper divisors (164156488).

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

127987832 is a wasteful number, since it uses less digits than its factorization.

127987832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840 (or 836 counting only the distinct ones).

The product of its digits is 338688, while the sum is 47.

The square root of 127987832 is about 11313.1707314970. The cubic root of 127987832 is about 503.9524499526.

The spelling of 127987832 in words is "one hundred twenty-seven million, nine hundred eighty-seven thousand, eight hundred thirty-two".