428647179 has 8 divisors (see below), whose sum is σ = 573902032. Its totient is φ = 284578560.

The previous prime is 428647123. The next prime is 428647181. The reversal of 428647179 is 971746824.

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

It is not a de Polignac number, because 428647179 - 2¹⁷ = 428516107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428647679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295714 + ... + 297159.

It is an arithmetic number, because the mean of its divisors is an integer number (71737754).

Almost surely, 2^428647179 is an apocalyptic number.

428647179 is a deficient number, since it is larger than the sum of its proper divisors (145254853).

428647179 is a wasteful number, since it uses less digits than its factorization.

428647179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593117.

The product of its digits is 677376, while the sum is 48.

The square root of 428647179 is about 20703.7962460994. The cubic root of 428647179 is about 753.9918588337.

The spelling of 428647179 in words is "four hundred twenty-eight million, six hundred forty-seven thousand, one hundred seventy-nine".