28882539877 has 2 divisors, whose sum is σ = 28882539878. Its totient is φ = 28882539876.

The previous prime is 28882539857. The next prime is 28882539941. The reversal of 28882539877 is 77893528882.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24812865441 + 4069674436 = 157521^2 + 63794^2 .

It is a cyclic number.

It is not a de Polignac number, because 28882539877 - 2²³ = 28874151269 is a prime.

It is a super-2 number, since 2×28882539877² (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 (28882539817) 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, 14441269938 + 14441269939.

It is an arithmetic number, because the mean of its divisors is an integer number (14441269939).

Almost surely, 2^28882539877 is an apocalyptic number.

It is an amenable number.

28882539877 is a deficient number, since it is larger than the sum of its proper divisors (1).

28882539877 is an equidigital number, since it uses as much as digits as its factorization.

28882539877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108380160, while the sum is 67.

The spelling of 28882539877 in words is "twenty-eight billion, eight hundred eighty-two million, five hundred thirty-nine thousand, eight hundred seventy-seven".