8257282109 has 32 divisors (see below), whose sum is σ = 9154612224. Its totient is φ = 7413719040.

The previous prime is 8257282097. The next prime is 8257282123. The reversal of 8257282109 is 9012827528.

It is not a de Polignac number, because 8257282109 - 2¹² = 8257278013 is a prime.

It is a super-2 number, since 2×8257282109² (a number of 21 digits) contains 22 as substring.

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 8257282109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8257282009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18639242 + ... + 18639684.

It is an arithmetic number, because the mean of its divisors is an integer number (286081632).

Almost surely, 2^8257282109 is an apocalyptic number.

It is an amenable number.

8257282109 is a deficient number, since it is larger than the sum of its proper divisors (897330115).

8257282109 is a wasteful number, since it uses less digits than its factorization.

8257282109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917.

The product of its (nonzero) digits is 161280, while the sum is 44.

The square root of 8257282109 is about 90869.5884716113. The cubic root of 8257282109 is about 2021.2143556817.

The spelling of 8257282109 in words is "eight billion, two hundred fifty-seven million, two hundred eighty-two thousand, one hundred nine".