85285397000 has 64 divisors (see below), whose sum is σ = 200763239040. Its totient is φ = 33909816000.

The previous prime is 85285396939. The next prime is 85285397017. The reversal of 85285397000 is 79358258.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88346 + ... + 422345.

It is an arithmetic number, because the mean of its divisors is an integer number (3136925610).

Almost surely, 2^85285397000 is an apocalyptic number.

It is an amenable number.

85285397000 is an abundant number, since it is smaller than the sum of its proper divisors (115477842040).

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

85285397000 is a wasteful number, since it uses less digits than its factorization.

85285397000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510879 (or 510865 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 47.

The spelling of 85285397000 in words is "eighty-five billion, two hundred eighty-five million, three hundred ninety-seven thousand".