288716564 has 6 divisors (see below), whose sum is σ = 505253994. Its totient is φ = 144358280.

The previous prime is 288716557. The next prime is 288716569. The reversal of 288716564 is 465617882.

It can be written as a sum of positive squares in only one way, i.e., 199035664 + 89680900 = 14108^2 + 9470^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288716569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36089567 + ... + 36089574.

It is an arithmetic number, because the mean of its divisors is an integer number (84208999).

Almost surely, 2^288716564 is an apocalyptic number.

It is an amenable number.

288716564 is a deficient number, since it is larger than the sum of its proper divisors (216537430).

288716564 is a wasteful number, since it uses less digits than its factorization.

288716564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72179145 (or 72179143 counting only the distinct ones).

The product of its digits is 645120, while the sum is 47.

The square root of 288716564 is about 16991.6616020918. The cubic root of 288716564 is about 660.9326911244.

The spelling of 288716564 in words is "two hundred eighty-eight million, seven hundred sixteen thousand, five hundred sixty-four".