28123545262 has 16 divisors (see below), whose sum is σ = 42452760960. Its totient is φ = 13972742968.

The previous prime is 28123545259. The next prime is 28123545341. The reversal of 28123545262 is 26254532182.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 460653 + ... + 518119.

It is an arithmetic number, because the mean of its divisors is an integer number (2653297560).

Almost surely, 2^28123545262 is an apocalyptic number.

28123545262 is a deficient number, since it is larger than the sum of its proper divisors (14329215698).

28123545262 is a wasteful number, since it uses less digits than its factorization.

28123545262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59015.

The product of its digits is 230400, while the sum is 40.

The spelling of 28123545262 in words is "twenty-eight billion, one hundred twenty-three million, five hundred forty-five thousand, two hundred sixty-two".