82387373 has 4 divisors (see below), whose sum is σ = 82475868. Its totient is φ = 82298880.

The previous prime is 82387369. The next prime is 82387391. The reversal of 82387373 is 37378328.

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 57805609 + 24581764 = 7603^2 + 4958^2 .

It is a cyclic number.

It is not a de Polignac number, because 82387373 - 2² = 82387369 is a prime.

It is a super-2 number, since 2×82387373² = 13575358459682258, which contains 22 as substring.

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 82387373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82387303) 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, 42836 + ... + 44717.

It is an arithmetic number, because the mean of its divisors is an integer number (20618967).

Almost surely, 2^82387373 is an apocalyptic number.

It is an amenable number.

82387373 is a deficient number, since it is larger than the sum of its proper divisors (88495).

82387373 is an equidigital number, since it uses as much as digits as its factorization.

82387373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88494.

The product of its digits is 169344, while the sum is 41.

The square root of 82387373 is about 9076.7490325557. The cubic root of 82387373 is about 435.1311939689.

The spelling of 82387373 in words is "eighty-two million, three hundred eighty-seven thousand, three hundred seventy-three".