276678228 has 48 divisors (see below), whose sum is σ = 681907520. Its totient is φ = 87070464.

The previous prime is 276678221. The next prime is 276678239. The reversal of 276678228 is 822876672.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276678221) 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, 69426 + ... + 73302.

Almost surely, 2^276678228 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 276678228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340953760).

276678228 is an abundant number, since it is smaller than the sum of its proper divisors (405229292).

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

276678228 is a wasteful number, since it uses less digits than its factorization.

276678228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4216 (or 4214 counting only the distinct ones).

The product of its digits is 903168, while the sum is 48.

The square root of 276678228 is about 16633.6474653036. The cubic root of 276678228 is about 651.6158833740.

The spelling of 276678228 in words is "two hundred seventy-six million, six hundred seventy-eight thousand, two hundred twenty-eight".