88823789 has 2 divisors, whose sum is σ = 88823790. Its totient is φ = 88823788.

The previous prime is 88823783. The next prime is 88823807. The reversal of 88823789 is 98732888.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66422500 + 22401289 = 8150^2 + 4733^2 .

It is a cyclic number.

It is not a de Polignac number, because 88823789 - 2¹² = 88819693 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 88823789.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88823783) 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, 44411894 + 44411895.

It is an arithmetic number, because the mean of its divisors is an integer number (44411895).

Almost surely, 2^88823789 is an apocalyptic number.

It is an amenable number.

88823789 is a deficient number, since it is larger than the sum of its proper divisors (1).

88823789 is an equidigital number, since it uses as much as digits as its factorization.

88823789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1548288, while the sum is 53.

The square root of 88823789 is about 9424.6373405028. The cubic root of 88823789 is about 446.1796567532.

Subtracting 88823789 from its reverse (98732888), we obtain a palindrome (9909099).

The spelling of 88823789 in words is "eighty-eight million, eight hundred twenty-three thousand, seven hundred eighty-nine".