88718089 has 2 divisors, whose sum is σ = 88718090. Its totient is φ = 88718088.

The previous prime is 88718051. The next prime is 88718099. The reversal of 88718089 is 98081788.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63043600 + 25674489 = 7940^2 + 5067^2 .

It is a cyclic number.

It is not a de Polignac number, because 88718089 - 2⁷ = 88717961 is a prime.

It is a super-4 number, since 4×88718089⁴ (a number of 33 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (88718039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44359044 + 44359045.

It is an arithmetic number, because the mean of its divisors is an integer number (44359045).

Almost surely, 2^88718089 is an apocalyptic number.

It is an amenable number.

88718089 is a deficient number, since it is larger than the sum of its proper divisors (1).

88718089 is an equidigital number, since it uses as much as digits as its factorization.

88718089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 258048, while the sum is 49.

The square root of 88718089 is about 9419.0280284114. The cubic root of 88718089 is about 446.0026024234.

The spelling of 88718089 in words is "eighty-eight million, seven hundred eighteen thousand, eighty-nine".