28352820486 has 8 divisors (see below), whose sum is σ = 56705640984. Its totient is φ = 9450940160.

The previous prime is 28352820479. The next prime is 28352820491. The reversal of 28352820486 is 68402825382.

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

28352820486 is an admirable number.

It is a super-2 number, since 2×28352820486² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2362735035 + ... + 2362735046.

It is an arithmetic number, because the mean of its divisors is an integer number (7088205123).

Almost surely, 2^28352820486 is an apocalyptic number.

28352820486 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28352820486 is a wasteful number, since it uses less digits than its factorization.

28352820486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4725470086.

The product of its (nonzero) digits is 1474560, while the sum is 48.

The spelling of 28352820486 in words is "twenty-eight billion, three hundred fifty-two million, eight hundred twenty thousand, four hundred eighty-six".