427648555 has 8 divisors (see below), whose sum is σ = 513914544. Its totient is φ = 341628000.

The previous prime is 427648547. The next prime is 427648577. The reversal of 427648555 is 555846724.

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

It is not a de Polignac number, because 427648555 - 2³ = 427648547 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 7 ways as a sum of consecutive naturals, for example, 57501 + ... + 64510.

It is an arithmetic number, because the mean of its divisors is an integer number (64239318).

Almost surely, 2^427648555 is an apocalyptic number.

427648555 is a deficient number, since it is larger than the sum of its proper divisors (86265989).

427648555 is a wasteful number, since it uses less digits than its factorization.

427648555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122717.

The product of its digits is 1344000, while the sum is 46.

The square root of 427648555 is about 20679.6652535770. The cubic root of 427648555 is about 753.4058758599.

The spelling of 427648555 in words is "four hundred twenty-seven million, six hundred forty-eight thousand, five hundred fifty-five".