85384660386 has 64 divisors (see below), whose sum is σ = 188503574400. Its totient is φ = 25677098496.

The previous prime is 85384660381. The next prime is 85384660399. The reversal of 85384660386 is 68306648358.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (85384660381) 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, 64440 + ... + 418236.

It is an arithmetic number, because the mean of its divisors is an integer number (2945368350).

Almost surely, 2^85384660386 is an apocalyptic number.

85384660386 is an abundant number, since it is smaller than the sum of its proper divisors (103118914014).

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

85384660386 is a wasteful number, since it uses less digits than its factorization.

85384660386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353923.

The product of its (nonzero) digits is 19906560, while the sum is 57.

The spelling of 85384660386 in words is "eighty-five billion, three hundred eighty-four million, six hundred sixty thousand, three hundred eighty-six".