844878160 has 40 divisors (see below), whose sum is σ = 2244963456. Its totient is φ = 289672320.

The previous prime is 844878131. The next prime is 844878161. The reversal of 844878160 is 61878448.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 844878160.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (844878161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 753796 + ... + 754915.

Almost surely, 2^844878160 is an apocalyptic number.

844878160 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

844878160 is an abundant number, since it is smaller than the sum of its proper divisors (1400085296).

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

844878160 is a wasteful number, since it uses less digits than its factorization.

844878160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508731 (or 1508725 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 46.

The square root of 844878160 is about 29066.7879202364. The cubic root of 844878160 is about 945.3617531981.

The spelling of 844878160 in words is "eight hundred forty-four million, eight hundred seventy-eight thousand, one hundred sixty".