28810482361 has 4 divisors (see below), whose sum is σ = 29803947300. Its totient is φ = 27817017424.

The previous prime is 28810482347. The next prime is 28810482391. The reversal of 28810482361 is 16328401882.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5584722361 + 23225760000 = 74731^2 + 152400^2 .

It is a cyclic number.

It is not a de Polignac number, because 28810482361 - 2⁹ = 28810481849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28810482391) by changing a digit.

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, 496732426 + ... + 496732483.

It is an arithmetic number, because the mean of its divisors is an integer number (7450986825).

Almost surely, 2^28810482361 is an apocalyptic number.

It is an amenable number.

28810482361 is a deficient number, since it is larger than the sum of its proper divisors (993464939).

28810482361 is an equidigital number, since it uses as much as digits as its factorization.

28810482361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993464938.

The product of its (nonzero) digits is 147456, while the sum is 43.

The spelling of 28810482361 in words is "twenty-eight billion, eight hundred ten million, four hundred eighty-two thousand, three hundred sixty-one".