805330129 has 8 divisors (see below), whose sum is σ = 811512000. Its totient is φ = 799167312.

The previous prime is 805330109. The next prime is 805330139. The reversal of 805330129 is 921033508.

It is a happy number.

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 805330129 - 2²¹ = 803232977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 805330129.

It is not an unprimeable number, because it can be changed into a prime (805330109) 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, 86692 + ... + 95530.

It is an arithmetic number, because the mean of its divisors is an integer number (101439000).

Almost surely, 2^805330129 is an apocalyptic number.

It is an amenable number.

805330129 is a deficient number, since it is larger than the sum of its proper divisors (6181871).

805330129 is a wasteful number, since it uses less digits than its factorization.

805330129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9527.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 805330129 is about 28378.3390810667. The cubic root of 805330129 is about 930.3748937549.

The spelling of 805330129 in words is "eight hundred five million, three hundred thirty thousand, one hundred twenty-nine".