82446861 has 12 divisors (see below), whose sum is σ = 127876992. Its totient is φ = 47112408.

The previous prime is 82446851. The next prime is 82446893. The reversal of 82446861 is 16864428.

It is not a de Polignac number, because 82446861 - 2⁹ = 82446349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82446811) 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 11 ways as a sum of consecutive naturals, for example, 280285 + ... + 280578.

It is an arithmetic number, because the mean of its divisors is an integer number (10656416).

Almost surely, 2^82446861 is an apocalyptic number.

It is an amenable number.

82446861 is a deficient number, since it is larger than the sum of its proper divisors (45430131).

82446861 is a wasteful number, since it uses less digits than its factorization.

82446861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560880 (or 560873 counting only the distinct ones).

The product of its digits is 73728, while the sum is 39.

The square root of 82446861 is about 9080.0253854271. The cubic root of 82446861 is about 435.2358979459.

The spelling of 82446861 in words is "eighty-two million, four hundred forty-six thousand, eight hundred sixty-one".