28055852837 has 2 divisors, whose sum is σ = 28055852838. Its totient is φ = 28055852836.

The previous prime is 28055852791. The next prime is 28055852843. The reversal of 28055852837 is 73825855082.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27566292961 + 489559876 = 166031^2 + 22126^2 .

It is a cyclic number.

It is not a de Polignac number, because 28055852837 - 2⁸ = 28055852581 is a prime.

It is a super-2 number, since 2×28055852837² (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 (28055852857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14027926418 + 14027926419.

It is an arithmetic number, because the mean of its divisors is an integer number (14027926419).

Almost surely, 2^28055852837 is an apocalyptic number.

It is an amenable number.

28055852837 is a deficient number, since it is larger than the sum of its proper divisors (1).

28055852837 is an equidigital number, since it uses as much as digits as its factorization.

28055852837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376000, while the sum is 53.

The spelling of 28055852837 in words is "twenty-eight billion, fifty-five million, eight hundred fifty-two thousand, eight hundred thirty-seven".