83988497 has 2 divisors, whose sum is σ = 83988498. Its totient is φ = 83988496.

The previous prime is 83988467. The next prime is 83988511. The reversal of 83988497 is 79488938.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76720081 + 7268416 = 8759^2 + 2696^2 .

It is a cyclic number.

It is not a de Polignac number, because 83988497 - 2¹⁶ = 83922961 is a prime.

It is not a weakly prime, because it can be changed into another prime (83988427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41994248 + 41994249.

It is an arithmetic number, because the mean of its divisors is an integer number (41994249).

Almost surely, 2^83988497 is an apocalyptic number.

It is an amenable number.

83988497 is a deficient number, since it is larger than the sum of its proper divisors (1).

83988497 is an equidigital number, since it uses as much as digits as its factorization.

83988497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3483648, while the sum is 56.

The square root of 83988497 is about 9164.5238283285. The cubic root of 83988497 is about 437.9319219616.

The spelling of 83988497 in words is "eighty-three million, nine hundred eighty-eight thousand, four hundred ninety-seven".