82945129 has 8 divisors (see below), whose sum is σ = 84434240. Its totient is φ = 81463536.

The previous prime is 82945123. The next prime is 82945147. The reversal of 82945129 is 92154928.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82945129 - 2¹⁷ = 82814057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82945091 and 82945100.

It is not an unprimeable number, because it can be changed into a prime (82945123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23332 + ... + 26650.

It is an arithmetic number, because the mean of its divisors is an integer number (10554280).

Almost surely, 2^82945129 is an apocalyptic number.

It is an amenable number.

82945129 is a deficient number, since it is larger than the sum of its proper divisors (1489111).

82945129 is a wasteful number, since it uses less digits than its factorization.

82945129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3759.

The product of its digits is 51840, while the sum is 40.

The square root of 82945129 is about 9107.4216439122. The cubic root of 82945129 is about 436.1109209833.

The spelling of 82945129 in words is "eighty-two million, nine hundred forty-five thousand, one hundred twenty-nine".