83505650 has 24 divisors (see below), whose sum is σ = 157958640. Its totient is φ = 32834960.

The previous prime is 83505647. The next prime is 83505691. The reversal of 83505650 is 5650538.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11204 + ... + 17103.

It is an arithmetic number, because the mean of its divisors is an integer number (6581610).

Almost surely, 2^83505650 is an apocalyptic number.

83505650 is a deficient number, since it is larger than the sum of its proper divisors (74452990).

83505650 is a wasteful number, since it uses less digits than its factorization.

83505650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28378 (or 28373 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 83505650 is about 9138.1425902642. The cubic root of 83505650 is about 437.0910900397.

The spelling of 83505650 in words is "eighty-three million, five hundred five thousand, six hundred fifty".