285996178213 has 8 divisors (see below), whose sum is σ = 286869058848. Its totient is φ = 285123578064.

The previous prime is 285996178207. The next prime is 285996178261. The reversal of 285996178213 is 312871699582.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-285996178213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285996172213) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2071695 + ... + 2205427.

It is an arithmetic number, because the mean of its divisors is an integer number (35858632356).

Almost surely, 2^285996178213 is an apocalyptic number.

It is an amenable number.

285996178213 is a deficient number, since it is larger than the sum of its proper divisors (872880635).

285996178213 is a wasteful number, since it uses less digits than its factorization.

285996178213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140243.

The product of its digits is 13063680, while the sum is 61.

The spelling of 285996178213 in words is "two hundred eighty-five billion, nine hundred ninety-six million, one hundred seventy-eight thousand, two hundred thirteen".