83375663 has 4 divisors (see below), whose sum is σ = 95286480. Its totient is φ = 71464848.

The previous prime is 83375623. The next prime is 83375687. The reversal of 83375663 is 36657338.

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

It is not a de Polignac number, because 83375663 - 2¹⁰ = 83374639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83375663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83375623) 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, 5955398 + ... + 5955411.

It is an arithmetic number, because the mean of its divisors is an integer number (23821620).

Almost surely, 2^83375663 is an apocalyptic number.

83375663 is a deficient number, since it is larger than the sum of its proper divisors (11910817).

83375663 is a wasteful number, since it uses less digits than its factorization.

83375663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11910816.

The product of its digits is 272160, while the sum is 41.

The square root of 83375663 is about 9131.0274887331. The cubic root of 83375663 is about 436.8641765892.

The spelling of 83375663 in words is "eighty-three million, three hundred seventy-five thousand, six hundred sixty-three".