2805055487 has 4 divisors (see below), whose sum is σ = 3020829000. Its totient is φ = 2589281976.

The previous prime is 2805055469. The next prime is 2805055529. The reversal of 2805055487 is 7845505082.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2805055487 - 2²² = 2800861183 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 (2805055087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107886737 + ... + 107886762.

It is an arithmetic number, because the mean of its divisors is an integer number (755207250).

Almost surely, 2^2805055487 is an apocalyptic number.

2805055487 is a deficient number, since it is larger than the sum of its proper divisors (215773513).

2805055487 is a wasteful number, since it uses less digits than its factorization.

2805055487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215773512.

The product of its (nonzero) digits is 448000, while the sum is 44.

The square root of 2805055487 is about 52962.7745402372. The cubic root of 2805055487 is about 1410.3075108512.

The spelling of 2805055487 in words is "two billion, eight hundred five million, fifty-five thousand, four hundred eighty-seven".