877989216 has 96 divisors (see below), whose sum is σ = 2498374368. Its totient is φ = 268369920.

The previous prime is 877989197. The next prime is 877989241. The reversal of 877989216 is 612989778.

It is a tau number, because it is divible by the number of its divisors (96).

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, 193696 + ... + 198176.

It is an arithmetic number, because the mean of its divisors is an integer number (26024733).

Almost surely, 2^877989216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 877989216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1249187184).

877989216 is an abundant number, since it is smaller than the sum of its proper divisors (1620385152).

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

877989216 is a wasteful number, since it uses less digits than its factorization.

877989216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4664 (or 4656 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 57.

The square root of 877989216 is about 29630.8828083134. The cubic root of 877989216 is about 957.5535276290.

The spelling of 877989216 in words is "eight hundred seventy-seven million, nine hundred eighty-nine thousand, two hundred sixteen".