89008019 has 2 divisors, whose sum is σ = 89008020. Its totient is φ = 89008018.

The previous prime is 89008009. The next prime is 89008021. The reversal of 89008019 is 91080098.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89008019 is a prime.

It is a super-2 number, since 2×89008019² = 15844854892608722, which contains 22 as substring.

Together with 89008021, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89008019.

It is not a weakly prime, because it can be changed into another prime (89008009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44504009 + 44504010.

It is an arithmetic number, because the mean of its divisors is an integer number (44504010).

Almost surely, 2^89008019 is an apocalyptic number.

89008019 is a deficient number, since it is larger than the sum of its proper divisors (1).

89008019 is an equidigital number, since it uses as much as digits as its factorization.

89008019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 35.

The square root of 89008019 is about 9434.4061286336. The cubic root of 89008019 is about 446.4879184407.

The spelling of 89008019 in words is "eighty-nine million, eight thousand, nineteen".