127799852490 has 32 divisors (see below), whose sum is σ = 340799607360. Its totient is φ = 34079960592.

The previous prime is 127799852471. The next prime is 127799852573. The reversal of 127799852490 is 94258997721.

127799852490 is a `hidden beast` number, since 1 + 2 + 7 + 7 + 9 + 98 + 52 + 490 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236666124 + ... + 236666663.

It is an arithmetic number, because the mean of its divisors is an integer number (10649987730).

Almost surely, 2^127799852490 is an apocalyptic number.

127799852490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

127799852490 is an abundant number, since it is smaller than the sum of its proper divisors (212999754870).

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

127799852490 is a wasteful number, since it uses less digits than its factorization.

127799852490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473332803 (or 473332797 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 63.

The spelling of 127799852490 in words is "one hundred twenty-seven billion, seven hundred ninety-nine million, eight hundred fifty-two thousand, four hundred ninety".