89478269 has 2 divisors, whose sum is σ = 89478270. Its totient is φ = 89478268.

The previous prime is 89478251. The next prime is 89478287. The reversal of 89478269 is 96287498.

It is a balanced prime because it is at equal distance from previous prime (89478251) and next prime (89478287).

It can be written as a sum of positive squares in only one way, i.e., 74563225 + 14915044 = 8635^2 + 3862^2 .

It is a cyclic number.

It is not a de Polignac number, because 89478269 - 2⁸ = 89478013 is a prime.

It is a super-2 number, since 2×89478269² = 16012721246472722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 89478269.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89478569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44739134 + 44739135.

It is an arithmetic number, because the mean of its divisors is an integer number (44739135).

Almost surely, 2^89478269 is an apocalyptic number.

It is an amenable number.

89478269 is a deficient number, since it is larger than the sum of its proper divisors (1).

89478269 is an equidigital number, since it uses as much as digits as its factorization.

89478269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 53.

The square root of 89478269 is about 9459.2953754495. The cubic root of 89478269 is about 447.2728374852.

The spelling of 89478269 in words is "eighty-nine million, four hundred seventy-eight thousand, two hundred sixty-nine".