288272478 has 32 divisors (see below), whose sum is σ = 647894016. Its totient is φ = 84842208.

The previous prime is 288272477. The next prime is 288272489. The reversal of 288272478 is 874272882.

288272478 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288272471) 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, 78550 + ... + 82137.

It is an arithmetic number, because the mean of its divisors is an integer number (20246688).

Almost surely, 2^288272478 is an apocalyptic number.

288272478 is an abundant number, since it is smaller than the sum of its proper divisors (359621538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

288272478 is a wasteful number, since it uses less digits than its factorization.

288272478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160728.

The product of its digits is 802816, while the sum is 48.

The square root of 288272478 is about 16978.5888106167. The cubic root of 288272478 is about 660.5936486087.

The spelling of 288272478 in words is "two hundred eighty-eight million, two hundred seventy-two thousand, four hundred seventy-eight".