28875361037 has 4 divisors (see below), whose sum is σ = 28877415420. Its totient is φ = 28873306656.

The previous prime is 28875361027. The next prime is 28875361057. The reversal of 28875361037 is 73016357882.

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 21720569641 + 7154791396 = 147379^2 + 84586^2 .

It is a cyclic number.

It is not a de Polignac number, because 28875361037 - 2¹⁴ = 28875344653 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 (28875361007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1005962 + ... + 1034267.

It is an arithmetic number, because the mean of its divisors is an integer number (7219353855).

Almost surely, 2^28875361037 is an apocalyptic number.

It is an amenable number.

28875361037 is a deficient number, since it is larger than the sum of its proper divisors (2054383).

28875361037 is a wasteful number, since it uses less digits than its factorization.

28875361037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2054382.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 28875361037 in words is "twenty-eight billion, eight hundred seventy-five million, three hundred sixty-one thousand, thirty-seven".