28148843768002 has 4 divisors (see below), whose sum is σ = 42223265652006. Its totient is φ = 14074421884000.

The previous prime is 28148843767943. The next prime is 28148843768011. The reversal of 28148843768002 is 20086734884182.

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 only one way, i.e., 23232872362401 + 4915971405601 = 4820049^2 + 2217199^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7037210941999 + ... + 7037210942002.

Almost surely, 2^{28148843768002} is an apocalyptic number.

28148843768002 is a deficient number, since it is larger than the sum of its proper divisors (14074421884004).

28148843768002 is a wasteful number, since it uses less digits than its factorization.

28148843768002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14074421884003.

The product of its (nonzero) digits is 33030144, while the sum is 61.

The spelling of 28148843768002 in words is "twenty-eight trillion, one hundred forty-eight billion, eight hundred forty-three million, seven hundred sixty-eight thousand, two".