845567768845 has 16 divisors (see below), whose sum is σ = 1029015816192. Its totient is φ = 666898686720.

The previous prime is 845567768707. The next prime is 845567768867. The reversal of 845567768845 is 548867765548.

It is a happy number.

845567768845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 845567768845 - 2⁹ = 845567768333 is a prime.

It is a super-2 number, since 2×845567768845² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13851109 + ... + 13912021.

It is an arithmetic number, because the mean of its divisors is an integer number (64313488512).

Almost surely, 2^845567768845 is an apocalyptic number.

It is an amenable number.

845567768845 is a deficient number, since it is larger than the sum of its proper divisors (183448047347).

845567768845 is a wasteful number, since it uses less digits than its factorization.

845567768845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100092.

The product of its digits is 1806336000, while the sum is 73.

The spelling of 845567768845 in words is "eight hundred forty-five billion, five hundred sixty-seven million, seven hundred sixty-eight thousand, eight hundred forty-five".