2859685896 has 64 divisors (see below), whose sum is σ = 7728926400. Its totient is φ = 878646528.

The previous prime is 2859685879. The next prime is 2859685897. The reversal of 2859685896 is 6985869582.

It is a super-3 number, since 3×2859685896³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2859685897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67875 + ... + 101618.

It is an arithmetic number, because the mean of its divisors is an integer number (120764475).

Almost surely, 2^2859685896 is an apocalyptic number.

It is an amenable number.

2859685896 is an abundant number, since it is smaller than the sum of its proper divisors (4869240504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2859685896 is a wasteful number, since it uses less digits than its factorization.

2859685896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169558 (or 169554 counting only the distinct ones).

The product of its digits is 74649600, while the sum is 66.

The square root of 2859685896 is about 53476.0310419537. The cubic root of 2859685896 is about 1419.4042822893.

The spelling of 2859685896 in words is "two billion, eight hundred fifty-nine million, six hundred eighty-five thousand, eight hundred ninety-six".