28028060998 has 32 divisors (see below), whose sum is σ = 50034216960. Its totient is φ = 11520986400.

The previous prime is 28028060941. The next prime is 28028061011. The reversal of 28028060998 is 89906082082.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167286 + ... + 289897.

It is an arithmetic number, because the mean of its divisors is an integer number (1563569280).

Almost surely, 2^28028060998 is an apocalyptic number.

28028060998 is a deficient number, since it is larger than the sum of its proper divisors (22006155962).

28028060998 is a wasteful number, since it uses less digits than its factorization.

28028060998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457372.

The product of its (nonzero) digits is 995328, while the sum is 52.

The spelling of 28028060998 in words is "twenty-eight billion, twenty-eight million, sixty thousand, nine hundred ninety-eight".