427718755 has 4 divisors (see below), whose sum is σ = 513262512. Its totient is φ = 342175000.

The previous prime is 427718743. The next prime is 427718771. The reversal of 427718755 is 557817724.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 427718755 - 2⁵ = 427718723 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42771871 + ... + 42771880.

It is an arithmetic number, because the mean of its divisors is an integer number (128315628).

Almost surely, 2^427718755 is an apocalyptic number.

427718755 is a deficient number, since it is larger than the sum of its proper divisors (85543757).

427718755 is an equidigital number, since it uses as much as digits as its factorization.

427718755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85543756.

The product of its digits is 548800, while the sum is 46.

The square root of 427718755 is about 20681.3625034716. The cubic root of 427718755 is about 753.4470983373.

It can be divided in two parts, 4277 and 18755, that added together give a palindrome (23032).

The spelling of 427718755 in words is "four hundred twenty-seven million, seven hundred eighteen thousand, seven hundred fifty-five".