285618325387 has 2 divisors, whose sum is σ = 285618325388. Its totient is φ = 285618325386.

The previous prime is 285618325319. The next prime is 285618325469. The reversal of 285618325387 is 783523816582.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 285618325387 - 2³¹ = 283470841739 is a prime.

It is not a weakly prime, because it can be changed into another prime (285618325787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142809162693 + 142809162694.

It is an arithmetic number, because the mean of its divisors is an integer number (142809162694).

Almost surely, 2^285618325387 is an apocalyptic number.

285618325387 is a deficient number, since it is larger than the sum of its proper divisors (1).

285618325387 is an equidigital number, since it uses as much as digits as its factorization.

285618325387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19353600, while the sum is 58.

The spelling of 285618325387 in words is "two hundred eighty-five billion, six hundred eighteen million, three hundred twenty-five thousand, three hundred eighty-seven".