428465512855 has 8 divisors (see below), whose sum is σ = 514180627200. Its totient is φ = 342757735776.

The previous prime is 428465512847. The next prime is 428465512897. The reversal of 428465512855 is 558215564824.

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

It is a cyclic number.

It is not a de Polignac number, because 428465512855 - 2³ = 428465512847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 428465512796 and 428465512805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1705015 + ... + 1940104.

It is an arithmetic number, because the mean of its divisors is an integer number (64272578400).

Almost surely, 2^428465512855 is an apocalyptic number.

428465512855 is a deficient number, since it is larger than the sum of its proper divisors (85715114345).

428465512855 is a wasteful number, since it uses less digits than its factorization.

428465512855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3668633.

The product of its digits is 15360000, while the sum is 55.

The spelling of 428465512855 in words is "four hundred twenty-eight billion, four hundred sixty-five million, five hundred twelve thousand, eight hundred fifty-five".