28498847819 has 8 divisors (see below), whose sum is σ = 30915091200. Its totient is φ = 26114607936.

The previous prime is 28498847813. The next prime is 28498847831. The reversal of 28498847819 is 91874889482.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28498847819 - 2⁴ = 28498847803 is a prime.

It is a super-2 number, since 2×28498847819² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28498847813) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7999019 + ... + 8002580.

It is an arithmetic number, because the mean of its divisors is an integer number (3864386400).

Almost surely, 2^28498847819 is an apocalyptic number.

28498847819 is a deficient number, since it is larger than the sum of its proper divisors (2416243381).

28498847819 is a wasteful number, since it uses less digits than its factorization.

28498847819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16001749.

The product of its digits is 74317824, while the sum is 68.

The spelling of 28498847819 in words is "twenty-eight billion, four hundred ninety-eight million, eight hundred forty-seven thousand, eight hundred nineteen".