82018853 has 4 divisors (see below), whose sum is σ = 93735840. Its totient is φ = 70301868.

The previous prime is 82018843. The next prime is 82018861. The reversal of 82018853 is 35881028.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 82018853 - 2⁴ = 82018837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82018813) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5858483 + ... + 5858496.

It is an arithmetic number, because the mean of its divisors is an integer number (23433960).

Almost surely, 2^82018853 is an apocalyptic number.

It is an amenable number.

82018853 is a deficient number, since it is larger than the sum of its proper divisors (11716987).

82018853 is a wasteful number, since it uses less digits than its factorization.

82018853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11716986.

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 82018853 is about 9056.4260610905. The cubic root of 82018853 is about 434.4814413545.

The spelling of 82018853 in words is "eighty-two million, eighteen thousand, eight hundred fifty-three".