28810986236058 has 64 divisors (see below), whose sum is σ = 64197673868160. Its totient is φ = 8558774122752.

The previous prime is 28810986236057. The next prime is 28810986236059. The reversal of 28810986236058 is 85063268901882.

It is an interprime number because it is at equal distance from previous prime (28810986236057) and next prime (28810986236059).

It is a super-3 number, since 3×28810986236058³ (a number of 41 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 28810986236058.

It is not an unprimeable number, because it can be changed into a prime (28810986236057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43183041 + ... + 43845147.

It is an arithmetic number, because the mean of its divisors is an integer number (1003088654190).

Almost surely, 2^{28810986236058} is an apocalyptic number.

28810986236058 is an abundant number, since it is smaller than the sum of its proper divisors (35386687632102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28810986236058 is a wasteful number, since it uses less digits than its factorization.

28810986236058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681391.

The product of its (nonzero) digits is 79626240, while the sum is 66.

The spelling of 28810986236058 in words is "twenty-eight trillion, eight hundred ten billion, nine hundred eighty-six million, two hundred thirty-six thousand, fifty-eight".