89419769 has 2 divisors, whose sum is σ = 89419770. Its totient is φ = 89419768.

The previous prime is 89419703. The next prime is 89419807. The reversal of 89419769 is 96791498.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80640400 + 8779369 = 8980^2 + 2963^2 .

It is a cyclic number.

It is not a de Polignac number, because 89419769 - 2¹² = 89415673 is a prime.

It is a super-2 number, since 2×89419769² = 15991790176026722, 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 89419769.

It is not a weakly prime, because it can be changed into another prime (89419069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44709884 + 44709885.

It is an arithmetic number, because the mean of its divisors is an integer number (44709885).

Almost surely, 2^89419769 is an apocalyptic number.

It is an amenable number.

89419769 is a deficient number, since it is larger than the sum of its proper divisors (1).

89419769 is an equidigital number, since it uses as much as digits as its factorization.

89419769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 53.

The square root of 89419769 is about 9456.2026733779. The cubic root of 89419769 is about 447.1753420613.

The spelling of 89419769 in words is "eighty-nine million, four hundred nineteen thousand, seven hundred sixty-nine".