3868555505 has 8 divisors (see below), whose sum is σ = 4643376192. Its totient is φ = 3094104688.

The previous prime is 3868555469. The next prime is 3868555507. The reversal of 3868555505 is 5055558683.

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 3868555505 - 2²² = 3864361201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3868555507) 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, 68909 + ... + 111738.

It is an arithmetic number, because the mean of its divisors is an integer number (580422024).

Almost surely, 2^3868555505 is an apocalyptic number.

It is an amenable number.

3868555505 is a deficient number, since it is larger than the sum of its proper divisors (774820687).

3868555505 is a wasteful number, since it uses less digits than its factorization.

3868555505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184935.

The product of its (nonzero) digits is 3600000, while the sum is 50.

The square root of 3868555505 is about 62197.7130206570. The cubic root of 3868555505 is about 1569.8191070475.

The spelling of 3868555505 in words is "three billion, eight hundred sixty-eight million, five hundred fifty-five thousand, five hundred five".