83907968 has 16 divisors (see below), whose sum is σ = 167160660. Its totient is φ = 41953920.

The previous prime is 83907961. The next prime is 83907973. The reversal of 83907968 is 86970938.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83907961) 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, 327638 + ... + 327893.

Almost surely, 2^83907968 is an apocalyptic number.

It is an amenable number.

83907968 is a deficient number, since it is larger than the sum of its proper divisors (83252692).

83907968 is an equidigital number, since it uses as much as digits as its factorization.

83907968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655545 (or 655533 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 83907968 is about 9160.1292567300. The cubic root of 83907968 is about 437.7919127214.

The spelling of 83907968 in words is "eighty-three million, nine hundred seven thousand, nine hundred sixty-eight".