82886605 has 4 divisors (see below), whose sum is σ = 99463932. Its totient is φ = 66309280.

The previous prime is 82886603. The next prime is 82886621. The reversal of 82886605 is 50668828.

It is a happy number.

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 58155876 + 24730729 = 7626^2 + 4973^2 .

It is not a de Polignac number, because 82886605 - 2¹ = 82886603 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82886603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8288656 + ... + 8288665.

It is an arithmetic number, because the mean of its divisors is an integer number (24865983).

Almost surely, 2^82886605 is an apocalyptic number.

It is an amenable number.

82886605 is a deficient number, since it is larger than the sum of its proper divisors (16577327).

82886605 is a wasteful number, since it uses less digits than its factorization.

82886605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16577326.

The product of its (nonzero) digits is 184320, while the sum is 43.

The square root of 82886605 is about 9104.2080929645. The cubic root of 82886605 is about 436.0083272124.

The spelling of 82886605 in words is "eighty-two million, eight hundred eighty-six thousand, six hundred five".