3865473705 has 8 divisors (see below), whose sum is σ = 6184757952. Its totient is φ = 2061585968.

The previous prime is 3865473701. The next prime is 3865473739. The reversal of 3865473705 is 5073745683.

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 3865473705 - 2² = 3865473701 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3865473701) 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, 128849109 + ... + 128849138.

It is an arithmetic number, because the mean of its divisors is an integer number (773094744).

Almost surely, 2^3865473705 is an apocalyptic number.

It is an amenable number.

3865473705 is a deficient number, since it is larger than the sum of its proper divisors (2319284247).

3865473705 is a wasteful number, since it uses less digits than its factorization.

3865473705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257698255.

The product of its (nonzero) digits is 2116800, while the sum is 48.

The square root of 3865473705 is about 62172.9338619306. The cubic root of 3865473705 is about 1569.4021423047.

The spelling of 3865473705 in words is "three billion, eight hundred sixty-five million, four hundred seventy-three thousand, seven hundred five".