285064493898 has 8 divisors (see below), whose sum is σ = 570128987808. Its totient is φ = 95021497964.

The previous prime is 285064493881. The next prime is 285064493899. The reversal of 285064493898 is 898394460582.

It is a sphenic number, since it is the product of 3 distinct primes.

285064493898 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (285064493899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23755374486 + ... + 23755374497.

It is an arithmetic number, because the mean of its divisors is an integer number (71266123476).

Almost surely, 2^285064493898 is an apocalyptic number.

285064493898 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

285064493898 is a wasteful number, since it uses less digits than its factorization.

285064493898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47510748988.

The product of its (nonzero) digits is 119439360, while the sum is 66.

The spelling of 285064493898 in words is "two hundred eighty-five billion, sixty-four million, four hundred ninety-three thousand, eight hundred ninety-eight".