828534345109 has 8 divisors (see below), whose sum is σ = 832989864960. Its totient is φ = 824081348496.

The previous prime is 828534345091. The next prime is 828534345169. The reversal of 828534345109 is 901543435828.

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 828534345109 - 2²⁷ = 828400127381 is a prime.

It is a super-2 number, since 2×828534345109² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828534345169) 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, 29532 + ... + 1287610.

It is an arithmetic number, because the mean of its divisors is an integer number (104123733120).

Almost surely, 2^828534345109 is an apocalyptic number.

It is an amenable number.

828534345109 is a deficient number, since it is larger than the sum of its proper divisors (4455519851).

828534345109 is a wasteful number, since it uses less digits than its factorization.

828534345109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261619.

The product of its (nonzero) digits is 4147200, while the sum is 52.

The spelling of 828534345109 in words is "eight hundred twenty-eight billion, five hundred thirty-four million, three hundred forty-five thousand, one hundred nine".