287328943588080 has 160 divisors (see below), whose sum is σ = 940432343120640. Its totient is φ = 72369064120320.

The previous prime is 287328943588033. The next prime is 287328943588081. The reversal of 287328943588080 is 80885349823782.

It is a junction number, because it is equal to n+sod(n) for n = 287328943587993 and 287328943588011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (287328943588081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93673017 + ... + 96691736.

It is an arithmetic number, because the mean of its divisors is an integer number (5877702144504).

Almost surely, 2^{287328943588080} is an apocalyptic number.

287328943588080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

287328943588080 is an abundant number, since it is smaller than the sum of its proper divisors (653103399532560).

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

287328943588080 is a wasteful number, since it uses less digits than its factorization.

287328943588080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190365119 (or 190365113 counting only the distinct ones).

The product of its (nonzero) digits is 1486356480, while the sum is 75.

The spelling of 287328943588080 in words is "two hundred eighty-seven trillion, three hundred twenty-eight billion, nine hundred forty-three million, five hundred eighty-eight thousand, eighty".