276665055 has 32 divisors (see below), whose sum is σ = 472449024. Its totient is φ = 137765376.

The previous prime is 276665047. The next prime is 276665063. The reversal of 276665055 is 550566672.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (276665047) and next prime (276665063).

It is not a de Polignac number, because 276665055 - 2³ = 276665047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 276664998 and 276665016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28114 + ... + 36656.

It is an arithmetic number, because the mean of its divisors is an integer number (14764032).

Almost surely, 2^276665055 is an apocalyptic number.

276665055 is a deficient number, since it is larger than the sum of its proper divisors (195783969).

276665055 is a wasteful number, since it uses less digits than its factorization.

276665055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8695.

The product of its (nonzero) digits is 378000, while the sum is 42.

The square root of 276665055 is about 16633.2514861046. The cubic root of 276665055 is about 651.6055417914.

The spelling of 276665055 in words is "two hundred seventy-six million, six hundred sixty-five thousand, fifty-five".