28563846098 has 18 divisors (see below), whose sum is σ = 43231736133. Its totient is φ = 14154409080.

The previous prime is 28563846079. The next prime is 28563846107. The reversal of 28563846098 is 89064836582.

It can be written as a sum of positive squares in 2 ways, for example, as 28145766289 + 418079809 = 167767^2 + 20447^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=119507.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 30354308 + ... + 30355248.

Almost surely, 2^28563846098 is an apocalyptic number.

28563846098 is a deficient number, since it is larger than the sum of its proper divisors (14667890035).

28563846098 is an frugal number, since it uses more digits than its factorization.

28563846098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2138 (or 1070 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 59.

The spelling of 28563846098 in words is "twenty-eight billion, five hundred sixty-three million, eight hundred forty-six thousand, ninety-eight".