28528058858 has 48 divisors (see below), whose sum is σ = 49076822880. Its totient is φ = 12396825792.

The previous prime is 28528058849. The next prime is 28528058863. The reversal of 28528058858 is 85885082582.

It is a junction number, because it is equal to n+sod(n) for n = 28528058797 and 28528058806.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1033160 + ... + 1060412.

It is an arithmetic number, because the mean of its divisors is an integer number (1022433810).

Almost surely, 2^28528058858 is an apocalyptic number.

28528058858 is a deficient number, since it is larger than the sum of its proper divisors (20548764022).

28528058858 is a wasteful number, since it uses less digits than its factorization.

28528058858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27463 (or 27450 counting only the distinct ones).

The product of its (nonzero) digits is 16384000, while the sum is 59.

The spelling of 28528058858 in words is "twenty-eight billion, five hundred twenty-eight million, fifty-eight thousand, eight hundred fifty-eight".