28751267929 has 2 divisors, whose sum is σ = 28751267930. Its totient is φ = 28751267928.

The previous prime is 28751267911. The next prime is 28751267959. The reversal of 28751267929 is 92976215782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27997655625 + 753612304 = 167325^2 + 27452^2 .

It is a cyclic number.

It is not a de Polignac number, because 28751267929 - 2⁷ = 28751267801 is a prime.

It is not a weakly prime, because it can be changed into another prime (28751267959) 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 as a sum of consecutive naturals, namely, 14375633964 + 14375633965.

It is an arithmetic number, because the mean of its divisors is an integer number (14375633965).

Almost surely, 2^28751267929 is an apocalyptic number.

It is an amenable number.

28751267929 is a deficient number, since it is larger than the sum of its proper divisors (1).

28751267929 is an equidigital number, since it uses as much as digits as its factorization.

28751267929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7620480, while the sum is 58.

The spelling of 28751267929 in words is "twenty-eight billion, seven hundred fifty-one million, two hundred sixty-seven thousand, nine hundred twenty-nine".