28918481982 has 24 divisors (see below), whose sum is σ = 62628193944. Its totient is φ = 8897994144.

The previous prime is 28918481959. The next prime is 28918482007.

28918481982 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 14258593 + ... + 14260620.

It is an arithmetic number, because the mean of its divisors is an integer number (2609508081).

Almost surely, 2^28918481982 is an apocalyptic number.

28918481982 is an abundant number, since it is smaller than the sum of its proper divisors (33709711962).

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

28918481982 is a wasteful number, since it uses less digits than its factorization.

28918481982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28519244 (or 28519231 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 60.

The spelling of 28918481982 in words is "twenty-eight billion, nine hundred eighteen million, four hundred eighty-one thousand, nine hundred eighty-two".