83923505 has 16 divisors (see below), whose sum is σ = 102297600. Its totient is φ = 66088512.

The previous prime is 83923493. The next prime is 83923507. The reversal of 83923505 is 50532938.

It is a cyclic number.

It is not a de Polignac number, because 83923505 - 2¹⁰ = 83922481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83923507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94172 + ... + 95058.

It is an arithmetic number, because the mean of its divisors is an integer number (6393600).

Almost surely, 2^83923505 is an apocalyptic number.

It is an amenable number.

83923505 is a deficient number, since it is larger than the sum of its proper divisors (18374095).

83923505 is a wasteful number, since it uses less digits than its factorization.

83923505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 83923505 is about 9160.9772950270. The cubic root of 83923505 is about 437.8189326153.

The spelling of 83923505 in words is "eighty-three million, nine hundred twenty-three thousand, five hundred five".