276799968 has 72 divisors (see below), whose sum is σ = 796068000. Its totient is φ = 91221504.

The previous prime is 276799909. The next prime is 276800003. The reversal of 276799968 is 869997672.

276799968 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20233 + ... + 31031.

It is an arithmetic number, because the mean of its divisors is an integer number (11056500).

Almost surely, 2^276799968 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 276799968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (398034000).

276799968 is an abundant number, since it is smaller than the sum of its proper divisors (519268032).

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

276799968 is a wasteful number, since it uses less digits than its factorization.

276799968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10904 (or 10893 counting only the distinct ones).

The product of its digits is 20575296, while the sum is 63.

The square root of 276799968 is about 16637.3065127742. The cubic root of 276799968 is about 651.7114409298.

The spelling of 276799968 in words is "two hundred seventy-six million, seven hundred ninety-nine thousand, nine hundred sixty-eight".