285420507608 has 32 divisors (see below), whose sum is σ = 569520072000. Its totient is φ = 133633715712.

The previous prime is 285420507599. The next prime is 285420507613. The reversal of 285420507608 is 806705024582.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 5299808 + ... + 5353391.

It is an arithmetic number, because the mean of its divisors is an integer number (17797502250).

Almost surely, 2^285420507608 is an apocalyptic number.

It is an amenable number.

285420507608 is a deficient number, since it is larger than the sum of its proper divisors (284099564392).

285420507608 is a wasteful number, since it uses less digits than its factorization.

285420507608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10653419 (or 10653415 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 47.

The spelling of 285420507608 in words is "two hundred eighty-five billion, four hundred twenty million, five hundred seven thousand, six hundred eight".