127980086 has 32 divisors (see below), whose sum is σ = 221356800. Its totient is φ = 54997920.

The previous prime is 127980019. The next prime is 127980101. The reversal of 127980086 is 680089721.

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, 26951 + ... + 31341.

It is an arithmetic number, because the mean of its divisors is an integer number (6917400).

Almost surely, 2^127980086 is an apocalyptic number.

127980086 is a deficient number, since it is larger than the sum of its proper divisors (93376714).

127980086 is a wasteful number, since it uses less digits than its factorization.

127980086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4484.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 127980086 is about 11312.8283819742. The cubic root of 127980086 is about 503.9422831152.

The spelling of 127980086 in words is "one hundred twenty-seven million, nine hundred eighty thousand, eighty-six".