285908334063 has 16 divisors (see below), whose sum is σ = 415878105216. Its totient is φ = 173273012640.

The previous prime is 285908333983. The next prime is 285908334071. The reversal of 285908334063 is 360433809582.

It is not a de Polignac number, because 285908334063 - 2²⁰ = 285907285487 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 285908333997 and 285908334015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285908332063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1380756 + ... + 1574262.

It is an arithmetic number, because the mean of its divisors is an integer number (25992381576).

Almost surely, 2^285908334063 is an apocalyptic number.

285908334063 is a deficient number, since it is larger than the sum of its proper divisors (129969771153).

285908334063 is a wasteful number, since it uses less digits than its factorization.

285908334063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238294.

The product of its (nonzero) digits is 3732480, while the sum is 51.

The spelling of 285908334063 in words is "two hundred eighty-five billion, nine hundred eight million, three hundred thirty-four thousand, sixty-three".