828730328729 has 8 divisors (see below), whose sum is σ = 864847919232. Its totient is φ = 792619891360.

The previous prime is 828730328717. The next prime is 828730328743. The reversal of 828730328729 is 927823037828.

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 828730328729 - 2⁸ = 828730328473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (828730328779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1550852 + ... + 2015589.

It is an arithmetic number, because the mean of its divisors is an integer number (108105989904).

Almost surely, 2^828730328729 is an apocalyptic number.

It is an amenable number.

828730328729 is a deficient number, since it is larger than the sum of its proper divisors (36117590503).

828730328729 is a wasteful number, since it uses less digits than its factorization.

828730328729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3576567.

The product of its (nonzero) digits is 16257024, while the sum is 59.

The spelling of 828730328729 in words is "eight hundred twenty-eight billion, seven hundred thirty million, three hundred twenty-eight thousand, seven hundred twenty-nine".