28645258422674 has 8 divisors (see below), whose sum is σ = 42978218949120. Its totient is φ = 14319185439636.

The previous prime is 28645258422659. The next prime is 28645258422707. The reversal of 28645258422674 is 47622485254682.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 28645258422674.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1721875454 + ... + 1721892089.

It is an arithmetic number, because the mean of its divisors is an integer number (5372277368640).

Almost surely, 2^{28645258422674} is an apocalyptic number.

28645258422674 is a deficient number, since it is larger than the sum of its proper divisors (14332960526446).

28645258422674 is a wasteful number, since it uses less digits than its factorization.

28645258422674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3443771704.

The product of its digits is 412876800, while the sum is 65.

The spelling of 28645258422674 in words is "twenty-eight trillion, six hundred forty-five billion, two hundred fifty-eight million, four hundred twenty-two thousand, six hundred seventy-four".