89282819 has 2 divisors, whose sum is σ = 89282820. Its totient is φ = 89282818.

The previous prime is 89282807. The next prime is 89282839. The reversal of 89282819 is 91828298.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89282819 - 2¹² = 89278723 is a prime.

It is a super-2 number, since 2×89282819² = 15942843537173522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (89282839) 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, 44641409 + 44641410.

It is an arithmetic number, because the mean of its divisors is an integer number (44641410).

Almost surely, 2^89282819 is an apocalyptic number.

89282819 is a deficient number, since it is larger than the sum of its proper divisors (1).

89282819 is an equidigital number, since it uses as much as digits as its factorization.

89282819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 47.

The square root of 89282819 is about 9448.9586198692. The cubic root of 89282819 is about 446.9469363646.

The spelling of 89282819 in words is "eighty-nine million, two hundred eighty-two thousand, eight hundred nineteen".