288601728860 has 24 divisors (see below), whose sum is σ = 612064264896. Its totient is φ = 114297713600.

The previous prime is 288601728853. The next prime is 288601728881. The reversal of 288601728860 is 68827106882.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 288601728796 and 288601728805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71434052 + ... + 71438091.

It is an arithmetic number, because the mean of its divisors is an integer number (25502677704).

Almost surely, 2^288601728860 is an apocalyptic number.

288601728860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

288601728860 is an abundant number, since it is smaller than the sum of its proper divisors (323462536036).

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

288601728860 is a wasteful number, since it uses less digits than its factorization.

288601728860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142872253 (or 142872251 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 56.

The spelling of 288601728860 in words is "two hundred eighty-eight billion, six hundred one million, seven hundred twenty-eight thousand, eight hundred sixty".