288830047 has 4 divisors (see below), whose sum is σ = 315087336. Its totient is φ = 262572760.

The previous prime is 288830041. The next prime is 288830057. The reversal of 288830047 is 740038882.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 288830047 - 2¹¹ = 288827999 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 288829991 and 288830009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288830041) 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, 13128628 + ... + 13128649.

It is an arithmetic number, because the mean of its divisors is an integer number (78771834).

Almost surely, 2^288830047 is an apocalyptic number.

288830047 is a deficient number, since it is larger than the sum of its proper divisors (26257289).

288830047 is a wasteful number, since it uses less digits than its factorization.

288830047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26257288.

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 288830047 is about 16995.0006472492. Note that the first 3 decimals coincide. The cubic root of 288830047 is about 661.0192752338.

The spelling of 288830047 in words is "two hundred eighty-eight million, eight hundred thirty thousand, forty-seven".