83717968 has 20 divisors (see below), whose sum is σ = 162359028. Its totient is φ = 41818880.

The previous prime is 83717917. The next prime is 83717969. The reversal of 83717968 is 86971738.

It can be written as a sum of positive squares in 2 ways, for example, as 53114944 + 30603024 = 7288^2 + 5532^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83717969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21930 + ... + 25462.

Almost surely, 2^83717968 is an apocalyptic number.

It is an amenable number.

83717968 is a deficient number, since it is larger than the sum of its proper divisors (78641060).

83717968 is a wasteful number, since it uses less digits than its factorization.

83717968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5022 (or 5016 counting only the distinct ones).

The product of its digits is 508032, while the sum is 49.

The square root of 83717968 is about 9149.7523463753. The cubic root of 83717968 is about 437.4612197463.

The spelling of 83717968 in words is "eighty-three million, seven hundred seventeen thousand, nine hundred sixty-eight".