3865670755 has 4 divisors (see below), whose sum is σ = 4638804912. Its totient is φ = 3092536600.

The previous prime is 3865670723. The next prime is 3865670771. The reversal of 3865670755 is 5570765683.

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

It is not a de Polignac number, because 3865670755 - 2⁵ = 3865670723 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 386567071 + ... + 386567080.

It is an arithmetic number, because the mean of its divisors is an integer number (1159701228).

Almost surely, 2^3865670755 is an apocalyptic number.

3865670755 is a deficient number, since it is larger than the sum of its proper divisors (773134157).

3865670755 is an equidigital number, since it uses as much as digits as its factorization.

3865670755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773134156.

The product of its (nonzero) digits is 5292000, while the sum is 52.

The square root of 3865670755 is about 62174.5185345251. The cubic root of 3865670755 is about 1569.4288096216.

The spelling of 3865670755 in words is "three billion, eight hundred sixty-five million, six hundred seventy thousand, seven hundred fifty-five".