288806680 has 16 divisors (see below), whose sum is σ = 649815120. Its totient is φ = 115522656.

The previous prime is 288806671. The next prime is 288806723. The reversal of 288806680 is 86608882.

It is a self number, because there is not a number n which added to its sum of digits gives 288806680.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3610044 + ... + 3610123.

It is an arithmetic number, because the mean of its divisors is an integer number (40613445).

Almost surely, 2^288806680 is an apocalyptic number.

288806680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

288806680 is an abundant number, since it is smaller than the sum of its proper divisors (361008440).

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

288806680 is a wasteful number, since it uses less digits than its factorization.

288806680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7220178 (or 7220174 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 46.

The square root of 288806680 is about 16994.3131664684. The cubic root of 288806680 is about 661.0014487713.

The spelling of 288806680 in words is "two hundred eighty-eight million, eight hundred six thousand, six hundred eighty".