83965545 has 32 divisors (see below), whose sum is σ = 151180800. Its totient is φ = 44209152.

The previous prime is 83965529. The next prime is 83965559. The reversal of 83965545 is 54556938.

83965545 is a `hidden beast` number, since 8 + 3 + 96 + 554 + 5 = 666.

It is not a de Polignac number, because 83965545 - 2⁴ = 83965529 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 83965545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6729 + ... + 14601.

It is an arithmetic number, because the mean of its divisors is an integer number (4724400).

Almost surely, 2^83965545 is an apocalyptic number.

It is an amenable number.

83965545 is a deficient number, since it is larger than the sum of its proper divisors (67215255).

83965545 is a wasteful number, since it uses less digits than its factorization.

83965545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7966 (or 7960 counting only the distinct ones).

The product of its digits is 648000, while the sum is 45.

The square root of 83965545 is about 9163.2715227696. The cubic root of 83965545 is about 437.8920263030.

The spelling of 83965545 in words is "eighty-three million, nine hundred sixty-five thousand, five hundred forty-five".