82855373 has 4 divisors (see below), whose sum is σ = 82874748. Its totient is φ = 82836000.

The previous prime is 82855319. The next prime is 82855387. The reversal of 82855373 is 37355828.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28494244 + 54361129 = 5338^2 + 7373^2 .

It is a cyclic number.

It is not a de Polignac number, because 82855373 - 2²⁶ = 15746509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82855373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82855303) 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 3 ways as a sum of consecutive naturals, for example, 128 + ... + 12873.

It is an arithmetic number, because the mean of its divisors is an integer number (20718687).

Almost surely, 2^82855373 is an apocalyptic number.

It is an amenable number.

82855373 is a deficient number, since it is larger than the sum of its proper divisors (19375).

82855373 is a wasteful number, since it uses less digits than its factorization.

82855373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19374.

The product of its digits is 201600, while the sum is 41.

The square root of 82855373 is about 9102.4926805793. The cubic root of 82855373 is about 435.9535571129.

The spelling of 82855373 in words is "eighty-two million, eight hundred fifty-five thousand, three hundred seventy-three".