3885021705 has 8 divisors (see below), whose sum is σ = 6216034752. Its totient is φ = 2072011568.

The previous prime is 3885021697. The next prime is 3885021727. The reversal of 3885021705 is 5071205883.

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 3885021705 - 2³ = 3885021697 is a prime.

It is a super-2 number, since 2×3885021705² = 30186787296642214050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129500709 + ... + 129500738.

It is an arithmetic number, because the mean of its divisors is an integer number (777004344).

Almost surely, 2^3885021705 is an apocalyptic number.

It is an amenable number.

3885021705 is a deficient number, since it is larger than the sum of its proper divisors (2331013047).

3885021705 is a wasteful number, since it uses less digits than its factorization.

3885021705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259001455.

The product of its (nonzero) digits is 67200, while the sum is 39.

The square root of 3885021705 is about 62329.9422829831. The cubic root of 3885021705 is about 1572.0432246498.

The spelling of 3885021705 in words is "three billion, eight hundred eighty-five million, twenty-one thousand, seven hundred five".