28808884141 has 2 divisors, whose sum is σ = 28808884142. Its totient is φ = 28808884140.

The previous prime is 28808884127. The next prime is 28808884147. The reversal of 28808884141 is 14148880882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28767552100 + 41332041 = 169610^2 + 6429^2 .

It is a cyclic number.

It is not a de Polignac number, because 28808884141 - 2⁵ = 28808884109 is a prime.

It is a super-2 number, since 2×28808884141² (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 (28808884147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14404442070 + 14404442071.

It is an arithmetic number, because the mean of its divisors is an integer number (14404442071).

Almost surely, 2^28808884141 is an apocalyptic number.

It is an amenable number.

28808884141 is a deficient number, since it is larger than the sum of its proper divisors (1).

28808884141 is an equidigital number, since it uses as much as digits as its factorization.

28808884141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1048576, while the sum is 52.

The spelling of 28808884141 in words is "twenty-eight billion, eight hundred eight million, eight hundred eighty-four thousand, one hundred forty-one".