83797568 has 14 divisors (see below), whose sum is σ = 166285926. Its totient is φ = 41898752.

The previous prime is 83797561. The next prime is 83797577. The reversal of 83797568 is 86579738.

It can be written as a sum of positive squares in only one way, i.e., 72454144 + 11343424 = 8512^2 + 3368^2 .

It is not an unprimeable number, because it can be changed into a prime (83797561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 654605 + ... + 654732.

Almost surely, 2^83797568 is an apocalyptic number.

It is an amenable number.

83797568 is a deficient number, since it is larger than the sum of its proper divisors (82488358).

83797568 is a wasteful number, since it uses less digits than its factorization.

83797568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309349 (or 1309339 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 53.

The square root of 83797568 is about 9154.1011574048. The cubic root of 83797568 is about 437.5998235346.

The spelling of 83797568 in words is "eighty-three million, seven hundred ninety-seven thousand, five hundred sixty-eight".