28571745746 has 8 divisors (see below), whose sum is σ = 42858338544. Its totient is φ = 14285632900.

The previous prime is 28571745731. The next prime is 28571745757. The reversal of 28571745746 is 64754717582.

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

It is a junction number, because it is equal to n+sod(n) for n = 28571745691 and 28571745700.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 153641 + ... + 284163.

It is an arithmetic number, because the mean of its divisors is an integer number (5357292318).

Almost surely, 2^28571745746 is an apocalyptic number.

28571745746 is a deficient number, since it is larger than the sum of its proper divisors (14286592798).

28571745746 is a wasteful number, since it uses less digits than its factorization.

28571745746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239976.

The product of its digits is 13171200, while the sum is 56.

The spelling of 28571745746 in words is "twenty-eight billion, five hundred seventy-one million, seven hundred forty-five thousand, seven hundred forty-six".