82869207 has 8 divisors (see below), whose sum is σ = 115296384. Its totient is φ = 52844088.

The previous prime is 82869191. The next prime is 82869209. The reversal of 82869207 is 70296828.

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 82869207 - 2⁴ = 82869191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82869209) 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 7 ways as a sum of consecutive naturals, for example, 600433 + ... + 600570.

It is an arithmetic number, because the mean of its divisors is an integer number (14412048).

Almost surely, 2^82869207 is an apocalyptic number.

82869207 is a deficient number, since it is larger than the sum of its proper divisors (32427177).

82869207 is a wasteful number, since it uses less digits than its factorization.

82869207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201029.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 82869207 is about 9103.2525505997. The cubic root of 82869207 is about 435.9778188502.

The spelling of 82869207 in words is "eighty-two million, eight hundred sixty-nine thousand, two hundred seven".