276120868 has 12 divisors (see below), whose sum is σ = 511635852. Its totient is φ = 129939200.

The previous prime is 276120857. The next prime is 276120907. The reversal of 276120868 is 868021672.

It can be written as a sum of positive squares in 2 ways, for example, as 225540324 + 50580544 = 15018^2 + 7112^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 276120868.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2030233 + ... + 2030368.

It is an arithmetic number, because the mean of its divisors is an integer number (42636321).

Almost surely, 2^276120868 is an apocalyptic number.

It is an amenable number.

276120868 is a deficient number, since it is larger than the sum of its proper divisors (235514984).

276120868 is a wasteful number, since it uses less digits than its factorization.

276120868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4060622 (or 4060620 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 276120868 is about 16616.8850269838. The cubic root of 276120868 is about 651.1780356745.

The spelling of 276120868 in words is "two hundred seventy-six million, one hundred twenty thousand, eight hundred sixty-eight".