83853385 has 32 divisors (see below), whose sum is σ = 126012672. Its totient is φ = 52039680.

The previous prime is 83853383. The next prime is 83853391. The reversal of 83853385 is 58335838.

It is not a de Polignac number, because 83853385 - 2¹ = 83853383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83853383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135597 + ... + 136213.

It is an arithmetic number, because the mean of its divisors is an integer number (3937896).

Almost surely, 2^83853385 is an apocalyptic number.

It is an amenable number.

83853385 is a deficient number, since it is larger than the sum of its proper divisors (42159287).

83853385 is a wasteful number, since it uses less digits than its factorization.

83853385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993.

The product of its digits is 345600, while the sum is 43.

The square root of 83853385 is about 9157.1493926877. The cubic root of 83853385 is about 437.6969627425.

The spelling of 83853385 in words is "eighty-three million, eight hundred fifty-three thousand, three hundred eighty-five".