127992880 has 40 divisors (see below), whose sum is σ = 303208272. Its totient is φ = 50229504.

The previous prime is 127992859. The next prime is 127992901. The reversal of 127992880 is 88299721.

It is an interprime number because it is at equal distance from previous prime (127992859) and next prime (127992901).

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 127992880.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10854 + ... + 19333.

Almost surely, 2^127992880 is an apocalyptic number.

127992880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127992880 is an abundant number, since it is smaller than the sum of its proper divisors (175215392).

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

127992880 is a wasteful number, since it uses less digits than its factorization.

127992880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30253 (or 30247 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 127992880 is about 11313.3938320912. The cubic root of 127992880 is about 503.9590753702.

The spelling of 127992880 in words is "one hundred twenty-seven million, nine hundred ninety-two thousand, eight hundred eighty".