28558485582 has 48 divisors (see below), whose sum is σ = 62802880896. Its totient is φ = 8651134800.

The previous prime is 28558485533. The next prime is 28558485587.

28558485582 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×28558485582³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28558485587) 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 23 ways as a sum of consecutive naturals, for example, 3136857 + ... + 3145947.

It is an arithmetic number, because the mean of its divisors is an integer number (1308393352).

Almost surely, 2^28558485582 is an apocalyptic number.

28558485582 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28558485582 is an abundant number, since it is smaller than the sum of its proper divisors (34244395314).

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

28558485582 is a wasteful number, since it uses less digits than its factorization.

28558485582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13445 (or 13434 counting only the distinct ones).

The product of its digits is 40960000, while the sum is 60.

The spelling of 28558485582 in words is "twenty-eight billion, five hundred fifty-eight million, four hundred eighty-five thousand, five hundred eighty-two".