2687625105985 has 8 divisors (see below), whose sum is σ = 3225634496640. Its totient is φ = 2149777171824.

The previous prime is 2687625105931. The next prime is 2687625105989. The reversal of 2687625105985 is 5895015267862.

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 2687625105985 - 2⁷ = 2687625105857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2687625105989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40327497 + ... + 40394086.

It is an arithmetic number, because the mean of its divisors is an integer number (403204312080).

Almost surely, 2^{2687625105985} is an apocalyptic number.

It is an amenable number.

2687625105985 is a deficient number, since it is larger than the sum of its proper divisors (538009390655).

2687625105985 is an equidigital number, since it uses as much as digits as its factorization.

2687625105985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80728247.

The product of its (nonzero) digits is 72576000, while the sum is 64.

The spelling of 2687625105985 in words is "two trillion, six hundred eighty-seven billion, six hundred twenty-five million, one hundred five thousand, nine hundred eighty-five".