285073304827 has 4 divisors (see below), whose sum is σ = 301842322776. Its totient is φ = 268304286880.

The previous prime is 285073304807. The next prime is 285073304839. The reversal of 285073304827 is 728403370582.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 285073304827 - 2³⁵ = 250713566459 is a prime.

It is a super-2 number, since 2×285073304827² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (285073304807) 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 3 ways as a sum of consecutive naturals, for example, 8384508949 + ... + 8384508982.

It is an arithmetic number, because the mean of its divisors is an integer number (75460580694).

Almost surely, 2^285073304827 is an apocalyptic number.

285073304827 is a deficient number, since it is larger than the sum of its proper divisors (16769017949).

285073304827 is a wasteful number, since it uses less digits than its factorization.

285073304827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16769017948.

The product of its (nonzero) digits is 2257920, while the sum is 49.

The spelling of 285073304827 in words is "two hundred eighty-five billion, seventy-three million, three hundred four thousand, eight hundred twenty-seven".