428374475717 has 8 divisors (see below), whose sum is σ = 430902091200. Its totient is φ = 425850036480.

The previous prime is 428374475701. The next prime is 428374475723. The reversal of 428374475717 is 717574473824.

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 428374475717 - 2⁴ = 428374475701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428374475777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523259 + ... + 1063272.

It is an arithmetic number, because the mean of its divisors is an integer number (53862761400).

Almost surely, 2^428374475717 is an apocalyptic number.

It is an amenable number.

428374475717 is a deficient number, since it is larger than the sum of its proper divisors (2527615483).

428374475717 is a wasteful number, since it uses less digits than its factorization.

428374475717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588123.

The product of its digits is 36879360, while the sum is 59.

The spelling of 428374475717 in words is "four hundred twenty-eight billion, three hundred seventy-four million, four hundred seventy-five thousand, seven hundred seventeen".