28028352460698 has 96 divisors (see below), whose sum is σ = 64448839468800. Its totient is φ = 9028817029440.

The previous prime is 28028352460613. The next prime is 28028352460721. The reversal of 28028352460698 is 89606425382082.

28028352460698 is a `hidden beast` number, since 2 + 8 + 0 + 2 + 83 + 5 + 2 + 460 + 6 + 98 = 666.

It is a super-2 number, since 2×28028352460698² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36936190 + ... + 37687382.

It is an arithmetic number, because the mean of its divisors is an integer number (671342077800).

Almost surely, 2^{28028352460698} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28028352460698, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32224419734400).

28028352460698 is an abundant number, since it is smaller than the sum of its proper divisors (36420487008102).

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

28028352460698 is a wasteful number, since it uses less digits than its factorization.

28028352460698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751985 (or 751948 counting only the distinct ones).

The product of its (nonzero) digits is 79626240, while the sum is 63.

Adding to 28028352460698 its sum of digits (63), we get a square (28028352460761 = 5294181²).

The spelling of 28028352460698 in words is "twenty-eight trillion, twenty-eight billion, three hundred fifty-two million, four hundred sixty thousand, six hundred ninety-eight".