8545218238868 has 48 divisors (see below), whose sum is σ = 16385787432000. Its totient is φ = 3881190243840.

The previous prime is 8545218238861. The next prime is 8545218238891. The reversal of 8545218238868 is 8688328125458.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (68).

It is a junction number, because it is equal to n+sod(n) for n = 8545218238798 and 8545218238807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8545218238861) 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, 4592183 + ... + 6178881.

It is an arithmetic number, because the mean of its divisors is an integer number (341370571500).

Almost surely, 2^{8545218238868} is an apocalyptic number.

It is an amenable number.

8545218238868 is a deficient number, since it is larger than the sum of its proper divisors (7840569193132).

8545218238868 is a wasteful number, since it uses less digits than its factorization.

8545218238868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589480 (or 1589478 counting only the distinct ones).

The product of its digits is 235929600, while the sum is 68.

The spelling of 8545218238868 in words is "eight trillion, five hundred forty-five billion, two hundred eighteen million, two hundred thirty-eight thousand, eight hundred sixty-eight".