83965505 has 16 divisors (see below), whose sum is σ = 108803520. Its totient is φ = 61837248.

The previous prime is 83965489. The next prime is 83965517. The reversal of 83965505 is 50556938.

It is a cyclic number.

It is not a de Polignac number, because 83965505 - 2⁴ = 83965489 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25694 + ... + 28776.

It is an arithmetic number, because the mean of its divisors is an integer number (6800220).

Almost surely, 2^83965505 is an apocalyptic number.

It is an amenable number.

83965505 is a deficient number, since it is larger than the sum of its proper divisors (24838015).

83965505 is a wasteful number, since it uses less digits than its factorization.

83965505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3520.

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 83965505 is about 9163.2693401427. The cubic root of 83965505 is about 437.8919567678.

The spelling of 83965505 in words is "eighty-three million, nine hundred sixty-five thousand, five hundred five".