28612443146 has 8 divisors (see below), whose sum is σ = 49049902560. Its totient is φ = 12262475628.

The previous prime is 28612443137. The next prime is 28612443179. The reversal of 28612443146 is 64134421682.

It is a happy number.

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

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, 1021872956 + ... + 1021872983.

It is an arithmetic number, because the mean of its divisors is an integer number (6131237820).

Almost surely, 2^28612443146 is an apocalyptic number.

28612443146 is a deficient number, since it is larger than the sum of its proper divisors (20437459414).

28612443146 is a wasteful number, since it uses less digits than its factorization.

28612443146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2043745948.

The product of its digits is 221184, while the sum is 41.

The spelling of 28612443146 in words is "twenty-eight billion, six hundred twelve million, four hundred forty-three thousand, one hundred forty-six".