428340181173717 has 8 divisors (see below), whose sum is σ = 573152697941760. Its totient is φ = 284543892594080.

The previous prime is 428340181173689. The next prime is 428340181173733. The reversal of 428340181173717 is 717371181043824.

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 428340181173717 - 2⁴⁰ = 427240669545941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428340181173217) 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, 254057046117 + ... + 254057047802.

It is an arithmetic number, because the mean of its divisors is an integer number (71644087242720).

Almost surely, 2^{428340181173717} is an apocalyptic number.

It is an amenable number.

428340181173717 is a deficient number, since it is larger than the sum of its proper divisors (144812516768043).

428340181173717 is a wasteful number, since it uses less digits than its factorization.

428340181173717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508114094203.

The product of its (nonzero) digits is 6322176, while the sum is 57.

The spelling of 428340181173717 in words is "four hundred twenty-eight trillion, three hundred forty billion, one hundred eighty-one million, one hundred seventy-three thousand, seven hundred seventeen".