82061853 has 8 divisors (see below), whose sum is σ = 109497600. Its totient is φ = 54667008.

The previous prime is 82061821. The next prime is 82061879. The reversal of 82061853 is 35816028.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82061853 - 2⁵ = 82061821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82061753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5188 + ... + 13821.

It is an arithmetic number, because the mean of its divisors is an integer number (13687200).

Almost surely, 2^82061853 is an apocalyptic number.

It is an amenable number.

82061853 is a deficient number, since it is larger than the sum of its proper divisors (27435747).

82061853 is a wasteful number, since it uses less digits than its factorization.

82061853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20451.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 82061853 is about 9058.7997549344. The cubic root of 82061853 is about 434.5573565753.

The spelling of 82061853 in words is "eighty-two million, sixty-one thousand, eight hundred fifty-three".