285214216798 has 48 divisors (see below), whose sum is σ = 503033173344. Its totient is φ = 120919841280.

The previous prime is 285214216787. The next prime is 285214216799. The reversal of 285214216798 is 897612412582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285214216799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9847378 + ... + 9876298.

It is an arithmetic number, because the mean of its divisors is an integer number (10479857778).

Almost surely, 2^285214216798 is an apocalyptic number.

285214216798 is a deficient number, since it is larger than the sum of its proper divisors (217818956546).

285214216798 is a wasteful number, since it uses less digits than its factorization.

285214216798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30017 (or 30010 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 55.

The spelling of 285214216798 in words is "two hundred eighty-five billion, two hundred fourteen million, two hundred sixteen thousand, seven hundred ninety-eight".