2655681287 has 8 divisors (see below), whose sum is σ = 3035376000. Its totient is φ = 2276064504.

The previous prime is 2655681283. The next prime is 2655681313. The reversal of 2655681287 is 7821865562.

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

It is not a de Polignac number, because 2655681287 - 2² = 2655681283 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 (2655681283) 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, 124964 + ... + 144662.

It is an arithmetic number, because the mean of its divisors is an integer number (379422000).

Almost surely, 2^2655681287 is an apocalyptic number.

2655681287 is a deficient number, since it is larger than the sum of its proper divisors (379694713).

2655681287 is a wasteful number, since it uses less digits than its factorization.

2655681287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38965.

The product of its digits is 1612800, while the sum is 50.

The square root of 2655681287 is about 51533.3026983523. The cubic root of 2655681287 is about 1384.8157186816.

The spelling of 2655681287 in words is "two billion, six hundred fifty-five million, six hundred eighty-one thousand, two hundred eighty-seven".