83008789 has 2 divisors, whose sum is σ = 83008790. Its totient is φ = 83008788.

The previous prime is 83008753. The next prime is 83008837. The reversal of 83008789 is 98780038.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82628100 + 380689 = 9090^2 + 617^2 .

It is a cyclic number.

It is not a de Polignac number, because 83008789 - 2⁷ = 83008661 is a prime.

It is equal to p_4834789 and since 83008789 and 4834789 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83008729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41504394 + 41504395.

It is an arithmetic number, because the mean of its divisors is an integer number (41504395).

Almost surely, 2^83008789 is an apocalyptic number.

It is an amenable number.

83008789 is a deficient number, since it is larger than the sum of its proper divisors (1).

83008789 is an equidigital number, since it uses as much as digits as its factorization.

83008789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 83008789 is about 9110.9159254161. The cubic root of 83008789 is about 436.2224634852. Note that the first 3 decimals are identical.

The spelling of 83008789 in words is "eighty-three million, eight thousand, seven hundred eighty-nine".