8280394129 has 8 divisors (see below), whose sum is σ = 9471004928. Its totient is φ = 7091707680.

The previous prime is 8280394093. The next prime is 8280394139. The reversal of 8280394129 is 9214930828.

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 8280394129 - 2⁹ = 8280393617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8280394139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 471852 + ... + 489085.

It is an arithmetic number, because the mean of its divisors is an integer number (1183875616).

Almost surely, 2^8280394129 is an apocalyptic number.

It is an amenable number.

8280394129 is a deficient number, since it is larger than the sum of its proper divisors (1190610799).

8280394129 is a wasteful number, since it uses less digits than its factorization.

8280394129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962175.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 8280394129 is about 90996.6709775693. The cubic root of 8280394129 is about 2023.0983827894.

The spelling of 8280394129 in words is "eight billion, two hundred eighty million, three hundred ninety-four thousand, one hundred twenty-nine".