285063890667 has 8 divisors (see below), whose sum is σ = 383775335424. Its totient is φ = 188197519848.

The previous prime is 285063890633. The next prime is 285063890689. The reversal of 285063890667 is 766098360582.

It is a happy number.

285063890667 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 285063890667 - 2⁷ = 285063890539 is a prime.

It is a super-2 number, since 2×285063890667² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 285063890667.

It is not an unprimeable number, because it can be changed into a prime (285063890627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461268123 + ... + 461268740.

It is an arithmetic number, because the mean of its divisors is an integer number (47971916928).

Almost surely, 2^285063890667 is an apocalyptic number.

285063890667 is a deficient number, since it is larger than the sum of its proper divisors (98711444757).

285063890667 is a wasteful number, since it uses less digits than its factorization.

285063890667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922536969.

The product of its (nonzero) digits is 26127360, while the sum is 60.

The spelling of 285063890667 in words is "two hundred eighty-five billion, sixty-three million, eight hundred ninety thousand, six hundred sixty-seven".