88523789 has 2 divisors, whose sum is σ = 88523790. Its totient is φ = 88523788.

The previous prime is 88523767. The next prime is 88523791. The reversal of 88523789 is 98732588.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51008164 + 37515625 = 7142^2 + 6125^2 .

It is a cyclic number.

It is not a de Polignac number, because 88523789 - 2¹² = 88519693 is a prime.

It is a super-2 number, since 2×88523789² = 15672922437833042, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 88523791, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88523719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44261894 + 44261895.

It is an arithmetic number, because the mean of its divisors is an integer number (44261895).

Almost surely, 2^88523789 is an apocalyptic number.

It is an amenable number.

88523789 is a deficient number, since it is larger than the sum of its proper divisors (1).

88523789 is an equidigital number, since it uses as much as digits as its factorization.

88523789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 967680, while the sum is 50.

The square root of 88523789 is about 9408.7081472432. The cubic root of 88523789 is about 445.6767701657.

The spelling of 88523789 in words is "eighty-eight million, five hundred twenty-three thousand, seven hundred eighty-nine".