28751611098 has 16 divisors (see below), whose sum is σ = 65717968320. Its totient is φ = 8214746016.

The previous prime is 28751611093. The next prime is 28751611157. The reversal of 28751611098 is 89011615782.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28751611093) 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 7 ways as a sum of consecutive naturals, for example, 342281043 + ... + 342281126.

It is an arithmetic number, because the mean of its divisors is an integer number (4107373020).

Almost surely, 2^28751611098 is an apocalyptic number.

28751611098 is an abundant number, since it is smaller than the sum of its proper divisors (36966357222).

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

28751611098 is a wasteful number, since it uses less digits than its factorization.

28751611098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684562181.

The product of its (nonzero) digits is 241920, while the sum is 48.

The spelling of 28751611098 in words is "twenty-eight billion, seven hundred fifty-one million, six hundred eleven thousand, ninety-eight".