428584275555 has 32 divisors (see below), whose sum is σ = 688426387200. Its totient is φ = 227681453952.

The previous prime is 428584275523. The next prime is 428584275557. The reversal of 428584275555 is 555572485824.

428584275555 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 428584275555 - 2⁵ = 428584275523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (428584275557) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28992156 + ... + 29006934.

It is an arithmetic number, because the mean of its divisors is an integer number (21513324600).

Almost surely, 2^428584275555 is an apocalyptic number.

428584275555 is a deficient number, since it is larger than the sum of its proper divisors (259842111645).

428584275555 is a wasteful number, since it uses less digits than its factorization.

428584275555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22243.

The product of its digits is 89600000, while the sum is 60.

The spelling of 428584275555 in words is "four hundred twenty-eight billion, five hundred eighty-four million, two hundred seventy-five thousand, five hundred fifty-five".