28098078496 has 36 divisors (see below), whose sum is σ = 55570414662. Its totient is φ = 13985246976.

The previous prime is 28098078493. The next prime is 28098078523. The reversal of 28098078496 is 69487089082.

It can be written as a sum of positive squares in only one way, i.e., 27231600400 + 866478096 = 165020^2 + 29436^2 .

It is not an unprimeable number, because it can be changed into a prime (28098078493) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1582500 + ... + 1600156.

Almost surely, 2^28098078496 is an apocalyptic number.

It is an amenable number.

28098078496 is a deficient number, since it is larger than the sum of its proper divisors (27472336166).

28098078496 is an equidigital number, since it uses as much as digits as its factorization.

28098078496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18113 (or 17882 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 61.

The spelling of 28098078496 in words is "twenty-eight billion, ninety-eight million, seventy-eight thousand, four hundred ninety-six".