876785616 has 180 divisors, whose sum is σ = 2870731812. Its totient is φ = 249080832.

The previous prime is 876785593. The next prime is 876785627. The reversal of 876785616 is 616587678.

876785616 is a `hidden beast` number, since 8 + 7 + 6 + 78 + 561 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 216090000 + 660695616 = 14700^2 + 25704^2 .

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2208330 + ... + 2208726.

Almost surely, 2^876785616 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 876785616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1435365906).

876785616 is an abundant number, since it is smaller than the sum of its proper divisors (1993946196).

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

876785616 is a wasteful number, since it uses less digits than its factorization.

876785616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738 (or 722 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 54.

The square root of 876785616 is about 29610.5659520381. The cubic root of 876785616 is about 957.1157703650.

The spelling of 876785616 in words is "eight hundred seventy-six million, seven hundred eighty-five thousand, six hundred sixteen".