80680529 has 8 divisors (see below), whose sum is σ = 83630208. Its totient is φ = 77782320.

The previous prime is 80680519. The next prime is 80680543. The reversal of 80680529 is 92508608.

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 80680529 - 2¹⁶ = 80614993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80680492 and 80680501.

It is not an unprimeable number, because it can be changed into a prime (80680519) 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, 9662 + ... + 15959.

It is an arithmetic number, because the mean of its divisors is an integer number (10453776).

Almost surely, 2^80680529 is an apocalyptic number.

It is an amenable number.

80680529 is a deficient number, since it is larger than the sum of its proper divisors (2949679).

80680529 is a wasteful number, since it uses less digits than its factorization.

80680529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25735.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 80680529 is about 8982.2340762196. The cubic root of 80680529 is about 432.1052859091.

The spelling of 80680529 in words is "eighty million, six hundred eighty thousand, five hundred twenty-nine".