127788255 has 24 divisors (see below), whose sum is σ = 253143072. Its totient is φ = 58417344.

The previous prime is 127788209. The next prime is 127788263. The reversal of 127788255 is 552887721.

It is not a de Polignac number, because 127788255 - 2⁶ = 127788191 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 127788255.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 202524 + ... + 203153.

It is an arithmetic number, because the mean of its divisors is an integer number (10547628).

Almost surely, 2^127788255 is an apocalyptic number.

127788255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

127788255 is a deficient number, since it is larger than the sum of its proper divisors (125354817).

127788255 is a wasteful number, since it uses less digits than its factorization.

127788255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405695 (or 405692 counting only the distinct ones).

The product of its digits is 313600, while the sum is 45.

The square root of 127788255 is about 11304.3467303511. The cubic root of 127788255 is about 503.6903686801.

The spelling of 127788255 in words is "one hundred twenty-seven million, seven hundred eighty-eight thousand, two hundred fifty-five".