28098613460 has 12 divisors (see below), whose sum is σ = 59007088308. Its totient is φ = 11239445376.

The previous prime is 28098613453. The next prime is 28098613471. The reversal of 28098613460 is 6431689082.

It can be written as a sum of positive squares in 2 ways, for example, as 20757893776 + 7340719684 = 144076^2 + 85678^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 702465317 + ... + 702465356.

It is an arithmetic number, because the mean of its divisors is an integer number (4917257359).

Almost surely, 2^28098613460 is an apocalyptic number.

28098613460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28098613460 is an abundant number, since it is smaller than the sum of its proper divisors (30908474848).

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

28098613460 is a wasteful number, since it uses less digits than its factorization.

28098613460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404930682 (or 1404930680 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 47.

The spelling of 28098613460 in words is "twenty-eight billion, ninety-eight million, six hundred thirteen thousand, four hundred sixty".