2102800005287 has 8 divisors (see below), whose sum is σ = 2158994634720. Its totient is φ = 2046839034240.

The previous prime is 2102800005197. The next prime is 2102800005323. The reversal of 2102800005287 is 7825000082012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2102800005287 - 2¹² = 2102800001191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102800005587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58396358 + ... + 58432355.

It is an arithmetic number, because the mean of its divisors is an integer number (269874329340).

Almost surely, 2^{2102800005287} is an apocalyptic number.

2102800005287 is a deficient number, since it is larger than the sum of its proper divisors (56194629433).

2102800005287 is a wasteful number, since it uses less digits than its factorization.

2102800005287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116829193.

The product of its (nonzero) digits is 17920, while the sum is 35.

Adding to 2102800005287 its reverse (7825000082012), we get a palindrome (9927800087299).

The spelling of 2102800005287 in words is "two trillion, one hundred two billion, eight hundred million, five thousand, two hundred eighty-seven".