85290009208 has 16 divisors (see below), whose sum is σ = 164240896680. Its totient is φ = 41492436768.

The previous prime is 85290009199. The next prime is 85290009223. The reversal of 85290009208 is 80290009258.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144070666 + ... + 144071257.

Almost surely, 2^85290009208 is an apocalyptic number.

It is an amenable number.

85290009208 is a deficient number, since it is larger than the sum of its proper divisors (78950887472).

85290009208 is a wasteful number, since it uses less digits than its factorization.

85290009208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288141966 (or 288141962 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 43.

The spelling of 85290009208 in words is "eighty-five billion, two hundred ninety million, nine thousand, two hundred eight".