28677847481998 has 96 divisors (see below), whose sum is σ = 52312066017120. Its totient is φ = 11623984588800.

The previous prime is 28677847481951. The next prime is 28677847482019. The reversal of 28677847481998 is 89918474877682.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 156295686 + ... + 156479062.

It is an arithmetic number, because the mean of its divisors is an integer number (544917354345).

Almost surely, 2^{28677847481998} is an apocalyptic number.

28677847481998 is a deficient number, since it is larger than the sum of its proper divisors (23634218535122).

28677847481998 is a wasteful number, since it uses less digits than its factorization.

28677847481998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184034 (or 184003 counting only the distinct ones).

The product of its digits is 21849440256, while the sum is 88.

The spelling of 28677847481998 in words is "twenty-eight trillion, six hundred seventy-seven billion, eight hundred forty-seven million, four hundred eighty-one thousand, nine hundred ninety-eight".