82392861 has 4 divisors (see below), whose sum is σ = 109857152. Its totient is φ = 54928572.

The previous prime is 82392841. The next prime is 82392881. The reversal of 82392861 is 16829328.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (82392841) and next prime (82392881).

It is not a de Polignac number, because 82392861 - 2¹⁷ = 82261789 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 (82392841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13732141 + ... + 13732146.

It is an arithmetic number, because the mean of its divisors is an integer number (27464288).

Almost surely, 2^82392861 is an apocalyptic number.

It is an amenable number.

82392861 is a deficient number, since it is larger than the sum of its proper divisors (27464291).

82392861 is a wasteful number, since it uses less digits than its factorization.

82392861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27464290.

The product of its digits is 41472, while the sum is 39.

The square root of 82392861 is about 9077.0513384028. The cubic root of 82392861 is about 435.1408554290.

The spelling of 82392861 in words is "eighty-two million, three hundred ninety-two thousand, eight hundred sixty-one".