28787153113 has 2 divisors, whose sum is σ = 28787153114. Its totient is φ = 28787153112.

The previous prime is 28787153041. The next prime is 28787153147. The reversal of 28787153113 is 31135178782.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25468010569 + 3319142544 = 159587^2 + 57612^2 .

It is a cyclic number.

It is not a de Polignac number, because 28787153113 - 2¹³ = 28787144921 is a prime.

It is not a weakly prime, because it can be changed into another prime (28787153173) 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 as a sum of consecutive naturals, namely, 14393576556 + 14393576557.

It is an arithmetic number, because the mean of its divisors is an integer number (14393576557).

Almost surely, 2^28787153113 is an apocalyptic number.

It is an amenable number.

28787153113 is a deficient number, since it is larger than the sum of its proper divisors (1).

28787153113 is an equidigital number, since it uses as much as digits as its factorization.

28787153113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240, while the sum is 46.

The spelling of 28787153113 in words is "twenty-eight billion, seven hundred eighty-seven million, one hundred fifty-three thousand, one hundred thirteen".