845212710178 has 16 divisors (see below), whose sum is σ = 1291807553400. Its totient is φ = 414611024256.

The previous prime is 845212710163. The next prime is 845212710187. The reversal of 845212710178 is 871017212548.

It can be written as a sum of positive squares in 4 ways, for example, as 751642182729 + 93570527449 = 866973^2 + 305893^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1937926 + ... + 2333662.

Almost surely, 2^845212710178 is an apocalyptic number.

845212710178 is a deficient number, since it is larger than the sum of its proper divisors (446594843222).

845212710178 is a wasteful number, since it uses less digits than its factorization.

845212710178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415941.

The product of its (nonzero) digits is 250880, while the sum is 46.

The spelling of 845212710178 in words is "eight hundred forty-five billion, two hundred twelve million, seven hundred ten thousand, one hundred seventy-eight".