89663239 has 2 divisors, whose sum is σ = 89663240. Its totient is φ = 89663238.

The previous prime is 89663221. The next prime is 89663257. The reversal of 89663239 is 93236698.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (89663221) and next prime (89663257).

It is a cyclic number.

It is not a de Polignac number, because 89663239 - 2¹³ = 89655047 is a prime.

It is a super-2 number, since 2×89663239² = 16078992855942242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89661239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44831619 + 44831620.

It is an arithmetic number, because the mean of its divisors is an integer number (44831620).

Almost surely, 2^89663239 is an apocalyptic number.

89663239 is a deficient number, since it is larger than the sum of its proper divisors (1).

89663239 is an equidigital number, since it uses as much as digits as its factorization.

89663239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 419904, while the sum is 46.

The square root of 89663239 is about 9469.0674831263. The cubic root of 89663239 is about 447.5808270302.

The spelling of 89663239 in words is "eighty-nine million, six hundred sixty-three thousand, two hundred thirty-nine".