82817029 has 8 divisors (see below), whose sum is σ = 87734240. Its totient is φ = 77955696.

The previous prime is 82817023. The next prime is 82817039. The reversal of 82817029 is 92071828.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82817029 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 (82817023) 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, 10899 + ... + 16864.

It is an arithmetic number, because the mean of its divisors is an integer number (10966780).

Almost surely, 2^82817029 is an apocalyptic number.

It is an amenable number.

82817029 is a deficient number, since it is larger than the sum of its proper divisors (4917211).

82817029 is a wasteful number, since it uses less digits than its factorization.

82817029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27939.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 82817029 is about 9100.3862005961. The cubic root of 82817029 is about 435.8862962063.

The spelling of 82817029 in words is "eighty-two million, eight hundred seventeen thousand, twenty-nine".