2005627755 has 8 divisors (see below), whose sum is σ = 3209004432. Its totient is φ = 1069668128.

The previous prime is 2005627721. The next prime is 2005627759. The reversal of 2005627755 is 5577265002.

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 2005627755 - 2⁶ = 2005627691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2005627759) 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, 66854244 + ... + 66854273.

It is an arithmetic number, because the mean of its divisors is an integer number (401125554).

Almost surely, 2^2005627755 is an apocalyptic number.

2005627755 is a deficient number, since it is larger than the sum of its proper divisors (1203376677).

2005627755 is a wasteful number, since it uses less digits than its factorization.

2005627755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133708525.

The product of its (nonzero) digits is 147000, while the sum is 39.

The square root of 2005627755 is about 44784.2355634212. The cubic root of 2005627755 is about 1261.1016976850.

The spelling of 2005627755 in words is "two billion, five million, six hundred twenty-seven thousand, seven hundred fifty-five".