83964963 has 4 divisors (see below), whose sum is σ = 111953288. Its totient is φ = 55976640.

The previous prime is 83964953. The next prime is 83964967. The reversal of 83964963 is 36946938.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 83964963 - 2⁶ = 83964899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83964967) 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, 13994158 + ... + 13994163.

It is an arithmetic number, because the mean of its divisors is an integer number (27988322).

Almost surely, 2^83964963 is an apocalyptic number.

83964963 is a deficient number, since it is larger than the sum of its proper divisors (27988325).

83964963 is a wasteful number, since it uses less digits than its factorization.

83964963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27988324.

The product of its digits is 839808, while the sum is 48.

The square root of 83964963 is about 9163.2397654978. The cubic root of 83964963 is about 437.8910145636.

The spelling of 83964963 in words is "eighty-three million, nine hundred sixty-four thousand, nine hundred sixty-three".