276116688 has 100 divisors (see below), whose sum is σ = 803239140. Its totient is φ = 91570176.

The previous prime is 276116677. The next prime is 276116693. The reversal of 276116688 is 886611672.

It is a happy number.

276116688 is a `hidden beast` number, since 27 + 611 + 6 + 6 + 8 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 230796864 + 45319824 = 15192^2 + 6732^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 332658 + ... + 333486.

Almost surely, 2^276116688 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 276116688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (401619570).

276116688 is an abundant number, since it is smaller than the sum of its proper divisors (527122452).

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

276116688 is a wasteful number, since it uses less digits than its factorization.

276116688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106 (or 1091 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 276116688 is about 16616.7592508287. The cubic root of 276116688 is about 651.1747497489.

It can be divided in two parts, 276 and 116688, that added together give a square (116964 = 342²).

The spelling of 276116688 in words is "two hundred seventy-six million, one hundred sixteen thousand, six hundred eighty-eight".