28018048846 has 8 divisors (see below), whose sum is σ = 42131880144. Its totient is φ = 13974088800.

The previous prime is 28018048841. The next prime is 28018048847. The reversal of 28018048846 is 64884081082.

It is a happy number.

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

It is a super-2 number, since 2×28018048846² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28018048846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28018048841) 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 3 ways as a sum of consecutive naturals, for example, 17466810 + ... + 17468413.

It is an arithmetic number, because the mean of its divisors is an integer number (5266485018).

Almost surely, 2^28018048846 is an apocalyptic number.

28018048846 is a deficient number, since it is larger than the sum of its proper divisors (14113831298).

28018048846 is a wasteful number, since it uses less digits than its factorization.

28018048846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34935626.

The product of its (nonzero) digits is 786432, while the sum is 49.

The spelling of 28018048846 in words is "twenty-eight billion, eighteen million, forty-eight thousand, eight hundred forty-six".