427755903 has 8 divisors (see below), whose sum is σ = 572372016. Its totient is φ = 284155200.

The previous prime is 427755899. The next prime is 427755917. The reversal of 427755903 is 309557724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 427755903 - 2² = 427755899 is a prime.

It is a super-2 number, since 2×427755903² = 365950225102690818, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427755703) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 252868 + ... + 254553.

It is an arithmetic number, because the mean of its divisors is an integer number (71546502).

Almost surely, 2^427755903 is an apocalyptic number.

427755903 is a deficient number, since it is larger than the sum of its proper divisors (144616113).

427755903 is a wasteful number, since it uses less digits than its factorization.

427755903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507705.

The product of its (nonzero) digits is 264600, while the sum is 42.

The square root of 427755903 is about 20682.2605872762. The cubic root of 427755903 is about 753.4689103670.

The spelling of 427755903 in words is "four hundred twenty-seven million, seven hundred fifty-five thousand, nine hundred three".