285925488666 has 8 divisors (see below), whose sum is σ = 571850977344. Its totient is φ = 95308496220.

The previous prime is 285925488643. The next prime is 285925488713. The reversal of 285925488666 is 666884529582.

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

285925488666 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 285925488666.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 23827124050 + ... + 23827124061.

It is an arithmetic number, because the mean of its divisors is an integer number (71481372168).

Almost surely, 2^285925488666 is an apocalyptic number.

285925488666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

285925488666 is a wasteful number, since it uses less digits than its factorization.

285925488666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47654248116.

The product of its digits is 398131200, while the sum is 69.

The spelling of 285925488666 in words is "two hundred eighty-five billion, nine hundred twenty-five million, four hundred eighty-eight thousand, six hundred sixty-six".