28577457146 has 8 divisors (see below), whose sum is σ = 48989926560. Its totient is φ = 12247481628.

The previous prime is 28577457121. The next prime is 28577457157. The reversal of 28577457146 is 64175477582.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28577457091 and 28577457100.

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, 1020623456 + ... + 1020623483.

It is an arithmetic number, because the mean of its divisors is an integer number (6123740820).

Almost surely, 2^28577457146 is an apocalyptic number.

28577457146 is a deficient number, since it is larger than the sum of its proper divisors (20412469414).

28577457146 is a wasteful number, since it uses less digits than its factorization.

28577457146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041246948.

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

The spelling of 28577457146 in words is "twenty-eight billion, five hundred seventy-seven million, four hundred fifty-seven thousand, one hundred forty-six".