878170844097 has 6 divisors (see below), whose sum is σ = 1268468997042. Its totient is φ = 585447229392.

The previous prime is 878170844093. The next prime is 878170844101. The reversal of 878170844097 is 790448071878.

878170844097 is a `hidden beast` number, since 8 + 7 + 81 + 70 + 84 + 409 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (878170844093) and next prime (878170844101).

It can be written as a sum of positive squares in only one way, i.e., 597762468801 + 280408375296 = 773151^2 + 529536^2 .

It is not a de Polignac number, because 878170844097 - 2² = 878170844093 is a prime.

It is not an unprimeable number, because it can be changed into a prime (878170844093) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48787269108 + ... + 48787269125.

It is an arithmetic number, because the mean of its divisors is an integer number (211411499507).

Almost surely, 2^878170844097 is an apocalyptic number.

It is an amenable number.

878170844097 is a deficient number, since it is larger than the sum of its proper divisors (390298152945).

878170844097 is a wasteful number, since it uses less digits than its factorization.

878170844097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97574538239 (or 97574538236 counting only the distinct ones).

The product of its (nonzero) digits is 25288704, while the sum is 63.

The spelling of 878170844097 in words is "eight hundred seventy-eight billion, one hundred seventy million, eight hundred forty-four thousand, ninety-seven".