28757010181 has 2 divisors, whose sum is σ = 28757010182. Its totient is φ = 28757010180.

The previous prime is 28757010089. The next prime is 28757010203. The reversal of 28757010181 is 18101075782.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16248600900 + 12508409281 = 127470^2 + 111841^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28757010181 is a prime.

It is a super-2 number, since 2×28757010181² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28757010481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14378505090 + 14378505091.

It is an arithmetic number, because the mean of its divisors is an integer number (14378505091).

Almost surely, 2^28757010181 is an apocalyptic number.

It is an amenable number.

28757010181 is a deficient number, since it is larger than the sum of its proper divisors (1).

28757010181 is an equidigital number, since it uses as much as digits as its factorization.

28757010181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31360, while the sum is 40.

The spelling of 28757010181 in words is "twenty-eight billion, seven hundred fifty-seven million, ten thousand, one hundred eighty-one".