287158860160 has 64 divisors (see below), whose sum is σ = 688725742320. Its totient is φ = 114489317376.

The previous prime is 287158860133. The next prime is 287158860217. The reversal of 287158860160 is 61068851782.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 287158860098 and 287158860107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 534279 + ... + 927238.

Almost surely, 2^287158860160 is an apocalyptic number.

287158860160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

287158860160 is an abundant number, since it is smaller than the sum of its proper divisors (401566882160).

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

287158860160 is a wasteful number, since it uses less digits than its factorization.

287158860160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461843 (or 1461831 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 52.

The spelling of 287158860160 in words is "two hundred eighty-seven billion, one hundred fifty-eight million, eight hundred sixty thousand, one hundred sixty".