83797897 has 2 divisors, whose sum is σ = 83797898. Its totient is φ = 83797896.

The previous prime is 83797871. The next prime is 83797921. The reversal of 83797897 is 79879738.

It is a happy number.

83797897 is nontrivially palindromic in base 6.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52258441 + 31539456 = 7229^2 + 5616^2 .

It is a cyclic number.

It is not a de Polignac number, because 83797897 - 2¹¹ = 83795849 is a prime.

It is not a weakly prime, because it can be changed into another prime (83797817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41898948 + 41898949.

It is an arithmetic number, because the mean of its divisors is an integer number (41898949).

Almost surely, 2^83797897 is an apocalyptic number.

It is an amenable number.

83797897 is a deficient number, since it is larger than the sum of its proper divisors (1).

83797897 is an equidigital number, since it uses as much as digits as its factorization.

83797897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5334336, while the sum is 58.

The square root of 83797897 is about 9154.1191274748. The cubic root of 83797897 is about 437.6003962249.

The spelling of 83797897 in words is "eighty-three million, seven hundred ninety-seven thousand, eight hundred ninety-seven".