276928811028 has 36 divisors (see below), whose sum is σ = 700319986548. Its totient is φ = 92269319040.

The previous prime is 276928811021. The next prime is 276928811069. The reversal of 276928811028 is 820118829672.

It can be written as a sum of positive squares in 2 ways, for example, as 36032391684 + 240896419344 = 189822^2 + 490812^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276928811021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1594833 + ... + 1759928.

Almost surely, 2^276928811028 is an apocalyptic number.

It is an amenable number.

276928811028 is an abundant number, since it is smaller than the sum of its proper divisors (423391175520).

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

276928811028 is a wasteful number, since it uses less digits than its factorization.

276928811028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3357064 (or 3357059 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 54.

The spelling of 276928811028 in words is "two hundred seventy-six billion, nine hundred twenty-eight million, eight hundred eleven thousand, twenty-eight".