276775693 has 2 divisors, whose sum is σ = 276775694. Its totient is φ = 276775692.

The previous prime is 276775661. The next prime is 276775747. The reversal of 276775693 is 396577672.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 269058409 + 7717284 = 16403^2 + 2778^2 .

It is a cyclic number.

It is not a de Polignac number, because 276775693 - 2⁵ = 276775661 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 276775693.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (276775633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138387846 + 138387847.

It is an arithmetic number, because the mean of its divisors is an integer number (138387847).

Almost surely, 2^276775693 is an apocalyptic number.

It is an amenable number.

276775693 is a deficient number, since it is larger than the sum of its proper divisors (1).

276775693 is an equidigital number, since it uses as much as digits as its factorization.

276775693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3333960, while the sum is 52.

The square root of 276775693 is about 16636.5769616228. The cubic root of 276775693 is about 651.6923889554.

The spelling of 276775693 in words is "two hundred seventy-six million, seven hundred seventy-five thousand, six hundred ninety-three".