28625656741 has 8 divisors (see below), whose sum is σ = 31231119168. Its totient is φ = 26020716000.

The previous prime is 28625656739. The next prime is 28625656793. The reversal of 28625656741 is 14765652682.

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

It is a cyclic number.

It is not a de Polignac number, because 28625656741 - 2¹ = 28625656739 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28625656841) 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 7 ways as a sum of consecutive naturals, for example, 10920 + ... + 239521.

It is an arithmetic number, because the mean of its divisors is an integer number (3903889896).

Almost surely, 2^28625656741 is an apocalyptic number.

It is an amenable number.

28625656741 is a deficient number, since it is larger than the sum of its proper divisors (2605462427).

28625656741 is a wasteful number, since it uses less digits than its factorization.

28625656741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260843.

The product of its digits is 4838400, while the sum is 52.

The spelling of 28625656741 in words is "twenty-eight billion, six hundred twenty-five million, six hundred fifty-six thousand, seven hundred forty-one".