28043608858 has 8 divisors (see below), whose sum is σ = 42066397728. Its totient is φ = 14021476284.

The previous prime is 28043608783. The next prime is 28043608871. The reversal of 28043608858 is 85880634082.

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, 37816 + ... + 239827.

It is an arithmetic number, because the mean of its divisors is an integer number (5258299716).

Almost surely, 2^28043608858 is an apocalyptic number.

28043608858 is a deficient number, since it is larger than the sum of its proper divisors (14022788870).

28043608858 is a wasteful number, since it uses less digits than its factorization.

28043608858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328148.

The product of its (nonzero) digits is 2949120, while the sum is 52.

The spelling of 28043608858 in words is "twenty-eight billion, forty-three million, six hundred eight thousand, eight hundred fifty-eight".