878170844148 has 48 divisors (see below), whose sum is σ = 2208899427840. Its totient is φ = 269935346304.

The previous prime is 878170844107. The next prime is 878170844149. The reversal of 878170844148 is 841448071878.

It is a happy number.

It is a super-2 number, since 2×878170844148² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 878170844091 and 878170844100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878170844149) 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, 2667588 + ... + 2978651.

It is an arithmetic number, because the mean of its divisors is an integer number (46018738080).

Almost surely, 2^878170844148 is an apocalyptic number.

It is an amenable number.

878170844148 is an abundant number, since it is smaller than the sum of its proper divisors (1330728583692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

878170844148 is a wasteful number, since it uses less digits than its factorization.

878170844148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5647256 (or 5647254 counting only the distinct ones).

The product of its (nonzero) digits is 12845056, while the sum is 60.

The spelling of 878170844148 in words is "eight hundred seventy-eight billion, one hundred seventy million, eight hundred forty-four thousand, one hundred forty-eight".