285618325497 has 16 divisors (see below), whose sum is σ = 381344103360. Its totient is φ = 190152529472.

The previous prime is 285618325469. The next prime is 285618325621. The reversal of 285618325497 is 794523816582.

It is a cyclic number.

It is not a de Polignac number, because 285618325497 - 2¹¹ = 285618323449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 285618325497.

It is not an unprimeable number, because it can be changed into a prime (285618365497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8656243 + ... + 8689175.

It is an arithmetic number, because the mean of its divisors is an integer number (23834006460).

Almost surely, 2^285618325497 is an apocalyptic number.

It is an amenable number.

285618325497 is a deficient number, since it is larger than the sum of its proper divisors (95725777863).

285618325497 is a wasteful number, since it uses less digits than its factorization.

285618325497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36792.

The product of its digits is 29030400, while the sum is 60.

The spelling of 285618325497 in words is "two hundred eighty-five billion, six hundred eighteen million, three hundred twenty-five thousand, four hundred ninety-seven".