89769829 has 2 divisors, whose sum is σ = 89769830. Its totient is φ = 89769828.

The previous prime is 89769817. The next prime is 89769871. The reversal of 89769829 is 92896798.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61701025 + 28068804 = 7855^2 + 5298^2 .

It is a cyclic number.

It is not a de Polignac number, because 89769829 - 2¹⁵ = 89737061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89769629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44884914 + 44884915.

It is an arithmetic number, because the mean of its divisors is an integer number (44884915).

Almost surely, 2^89769829 is an apocalyptic number.

It is an amenable number.

89769829 is a deficient number, since it is larger than the sum of its proper divisors (1).

89769829 is an equidigital number, since it uses as much as digits as its factorization.

89769829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3919104, while the sum is 58.

The square root of 89769829 is about 9474.6941375434. The cubic root of 89769829 is about 447.7581153991.

The spelling of 89769829 in words is "eighty-nine million, seven hundred sixty-nine thousand, eight hundred twenty-nine".