276784368 has 80 divisors (see below), whose sum is σ = 843565056. Its totient is φ = 76527360.

The previous prime is 276784367. The next prime is 276784373. The reversal of 276784368 is 863487672.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 276784368.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276784367) 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, 2871 + ... + 23702.

Almost surely, 2^276784368 is an apocalyptic number.

276784368 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 276784368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (421782528).

276784368 is an abundant number, since it is smaller than the sum of its proper divisors (566780688).

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

276784368 is a wasteful number, since it uses less digits than its factorization.

276784368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26622 (or 26616 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 51.

The square root of 276784368 is about 16636.8376802805. The cubic root of 276784368 is about 651.6991975644.

The spelling of 276784368 in words is "two hundred seventy-six million, seven hundred eighty-four thousand, three hundred sixty-eight".