266832047 has 4 divisors (see below), whose sum is σ = 266864976. Its totient is φ = 266799120.

The previous prime is 266831963. The next prime is 266832053. The reversal of 266832047 is 740238662.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 266832047 - 2¹⁰ = 266831023 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 266832047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266835047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5147 + ... + 23667.

It is an arithmetic number, because the mean of its divisors is an integer number (66716244).

Almost surely, 2^266832047 is an apocalyptic number.

266832047 is a deficient number, since it is larger than the sum of its proper divisors (32929).

266832047 is a wasteful number, since it uses less digits than its factorization.

266832047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32928.

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 266832047 is about 16334.9945515755. The cubic root of 266832047 is about 643.7926230364.

The spelling of 266832047 in words is "two hundred sixty-six million, eight hundred thirty-two thousand, forty-seven".