28574006321 has 8 divisors (see below), whose sum is σ = 32659292544. Its totient is φ = 24489541440.

The previous prime is 28574006299. The next prime is 28574006381. The reversal of 28574006321 is 12360047582.

It is a happy number.

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

It is not a de Polignac number, because 28574006321 - 2³⁰ = 27500264497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28574006381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128885 + ... + 271586.

It is an arithmetic number, because the mean of its divisors is an integer number (4082411568).

Almost surely, 2^28574006321 is an apocalyptic number.

It is an amenable number.

28574006321 is a deficient number, since it is larger than the sum of its proper divisors (4085286223).

28574006321 is a wasteful number, since it uses less digits than its factorization.

28574006321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410671.

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 28574006321 in words is "twenty-eight billion, five hundred seventy-four million, six thousand, three hundred twenty-one".