285648057057 has 8 divisors (see below), whose sum is σ = 415488083040. Its totient is φ = 173120034560.

The previous prime is 285648057007. The next prime is 285648057061. The reversal of 285648057057 is 750750846582.

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

It is not a de Polignac number, because 285648057057 - 2¹⁹ = 285647532769 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 285648056988 and 285648057006.

It is not an unprimeable number, because it can be changed into a prime (285648057007) 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, 4328000832 + ... + 4328000897.

It is an arithmetic number, because the mean of its divisors is an integer number (51936010380).

Almost surely, 2^285648057057 is an apocalyptic number.

It is an amenable number.

285648057057 is a deficient number, since it is larger than the sum of its proper divisors (129840025983).

285648057057 is a wasteful number, since it uses less digits than its factorization.

285648057057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8656001743.

The product of its (nonzero) digits is 18816000, while the sum is 57.

The spelling of 285648057057 in words is "two hundred eighty-five billion, six hundred forty-eight million, fifty-seven thousand, fifty-seven".