82129092 has 12 divisors (see below), whose sum is σ = 191634576. Its totient is φ = 27376360.

The previous prime is 82129087. The next prime is 82129129. The reversal of 82129092 is 29092128.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3422034 + ... + 3422057.

It is an arithmetic number, because the mean of its divisors is an integer number (15969548).

Almost surely, 2^82129092 is an apocalyptic number.

It is an amenable number.

82129092 is an abundant number, since it is smaller than the sum of its proper divisors (109505484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82129092 is a wasteful number, since it uses less digits than its factorization.

82129092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6844098 (or 6844096 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 82129092 is about 9062.5102482701. The cubic root of 82129092 is about 434.6760118913.

The spelling of 82129092 in words is "eighty-two million, one hundred twenty-nine thousand, ninety-two".