28458572846 has 8 divisors (see below), whose sum is σ = 46568573784. Its totient is φ = 12935714920.

The previous prime is 28458572797. The next prime is 28458572851. The reversal of 28458572846 is 64827585482.

It is a happy number.

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

It is a congruent number.

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, 646785725 + ... + 646785768.

It is an arithmetic number, because the mean of its divisors is an integer number (5821071723).

Almost surely, 2^28458572846 is an apocalyptic number.

28458572846 is a deficient number, since it is larger than the sum of its proper divisors (18110000938).

28458572846 is a wasteful number, since it uses less digits than its factorization.

28458572846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293571506.

The product of its digits is 34406400, while the sum is 59.

The spelling of 28458572846 in words is "twenty-eight billion, four hundred fifty-eight million, five hundred seventy-two thousand, eight hundred forty-six".