428127727345 has 8 divisors (see below), whose sum is σ = 536090371776. Its totient is φ = 327610782576.

The previous prime is 428127727277. The next prime is 428127727351. The reversal of 428127727345 is 543727721824.

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 428127727345 - 2²³ = 428119338737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 428127727292 and 428127727301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1861424787 + ... + 1861425016.

It is an arithmetic number, because the mean of its divisors is an integer number (67011296472).

Almost surely, 2^428127727345 is an apocalyptic number.

It is an amenable number.

428127727345 is a deficient number, since it is larger than the sum of its proper divisors (107962644431).

428127727345 is a wasteful number, since it uses less digits than its factorization.

428127727345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3722849831.

The product of its digits is 5268480, while the sum is 52.

The spelling of 428127727345 in words is "four hundred twenty-eight billion, one hundred twenty-seven million, seven hundred twenty-seven thousand, three hundred forty-five".