82209699208 has 64 divisors (see below), whose sum is σ = 189773660160. Its totient is φ = 32512409856.

The previous prime is 82209699197. The next prime is 82209699217. The reversal of 82209699208 is 80299690228.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2592666 + ... + 2624182.

It is an arithmetic number, because the mean of its divisors is an integer number (2965213440).

Almost surely, 2^82209699208 is an apocalyptic number.

It is an amenable number.

82209699208 is an abundant number, since it is smaller than the sum of its proper divisors (107563960952).

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

82209699208 is a wasteful number, since it uses less digits than its factorization.

82209699208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35126 (or 35122 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 55.

The spelling of 82209699208 in words is "eighty-two billion, two hundred nine million, six hundred ninety-nine thousand, two hundred eight".