28058497858 has 64 divisors (see below), whose sum is σ = 46197043200. Its totient is φ = 12729249792.

The previous prime is 28058497837. The next prime is 28058497871. The reversal of 28058497858 is 85879485082.

It is a super-3 number, since 3×28058497858³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28058497858.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64800010 + ... + 64800442.

It is an arithmetic number, because the mean of its divisors is an integer number (721828800).

Almost surely, 2^28058497858 is an apocalyptic number.

28058497858 is a deficient number, since it is larger than the sum of its proper divisors (18138545342).

28058497858 is a wasteful number, since it uses less digits than its factorization.

28058497858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971.

The product of its (nonzero) digits is 51609600, while the sum is 64.

The spelling of 28058497858 in words is "twenty-eight billion, fifty-eight million, four hundred ninety-seven thousand, eight hundred fifty-eight".