82847907 has 16 divisors (see below), whose sum is σ = 122993280. Its totient is φ = 55116936.

The previous prime is 82847899. The next prime is 82847911. The reversal of 82847907 is 70974828.

It is not a de Polignac number, because 82847907 - 2³ = 82847899 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (82827907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11188 + ... + 17054.

It is an arithmetic number, because the mean of its divisors is an integer number (7687080).

Almost surely, 2^82847907 is an apocalyptic number.

82847907 is a deficient number, since it is larger than the sum of its proper divisors (40145373).

82847907 is a wasteful number, since it uses less digits than its factorization.

82847907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6399 (or 6393 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 82847907 is about 9102.0825638971. The cubic root of 82847907 is about 435.9404622992.

The spelling of 82847907 in words is "eighty-two million, eight hundred forty-seven thousand, nine hundred seven".