28736188982 has 8 divisors (see below), whose sum is σ = 43297576896. Its totient is φ = 14303663352.

The previous prime is 28736188973. The next prime is 28736188997. The reversal of 28736188982 is 28988163782.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 32215013 + ... + 32215904.

It is an arithmetic number, because the mean of its divisors is an integer number (5412197112).

Almost surely, 2^28736188982 is an apocalyptic number.

28736188982 is a deficient number, since it is larger than the sum of its proper divisors (14561387914).

28736188982 is a wasteful number, since it uses less digits than its factorization.

28736188982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64431142.

The product of its digits is 18579456, while the sum is 62.

The spelling of 28736188982 in words is "twenty-eight billion, seven hundred thirty-six million, one hundred eighty-eight thousand, nine hundred eighty-two".