276393047 has 16 divisors (see below), whose sum is σ = 330117120. Its totient is φ = 226260672.

The previous prime is 276393037. The next prime is 276393067. The reversal of 276393047 is 740393672.

It is a cyclic number.

It is not a de Polignac number, because 276393047 - 2⁶ = 276392983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 276392995 and 276393013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276393017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191354 + ... + 192792.

It is an arithmetic number, because the mean of its divisors is an integer number (20632320).

Almost surely, 2^276393047 is an apocalyptic number.

276393047 is a deficient number, since it is larger than the sum of its proper divisors (53724073).

276393047 is a wasteful number, since it uses less digits than its factorization.

276393047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2662.

The product of its (nonzero) digits is 190512, while the sum is 41.

The square root of 276393047 is about 16625.0728419457. The cubic root of 276393047 is about 651.3919260433.

The spelling of 276393047 in words is "two hundred seventy-six million, three hundred ninety-three thousand, forty-seven".