82106810 has 8 divisors (see below), whose sum is σ = 147792276. Its totient is φ = 32842720.

The previous prime is 82106779. The next prime is 82106831. The reversal of 82106810 is 1860128.

It can be written as a sum of positive squares in 2 ways, for example, as 74114881 + 7991929 = 8609^2 + 2827^2 .

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

It is a super-2 number, since 2×82106810² = 13483056496752200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 82106810.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4105331 + ... + 4105350.

Almost surely, 2^82106810 is an apocalyptic number.

82106810 is a deficient number, since it is larger than the sum of its proper divisors (65685466).

82106810 is a wasteful number, since it uses less digits than its factorization.

82106810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8210688.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 82106810 is about 9061.2808145427. The cubic root of 82106810 is about 434.6366984694.

Adding to 82106810 its reverse (1860128), we get a palindrome (83966938).

The spelling of 82106810 in words is "eighty-two million, one hundred six thousand, eight hundred ten".