3775865345 has 16 divisors (see below), whose sum is σ = 5450874240. Its totient is φ = 2452892544.

The previous prime is 3775865341. The next prime is 3775865347. The reversal of 3775865345 is 5435685773.

It is a cyclic number.

It is not a de Polignac number, because 3775865345 - 2² = 3775865341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3775865341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2838332 + ... + 2839661.

It is an arithmetic number, because the mean of its divisors is an integer number (340679640).

Almost surely, 2^3775865345 is an apocalyptic number.

3775865345 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3775865345 is a deficient number, since it is larger than the sum of its proper divisors (1675008895).

3775865345 is a wasteful number, since it uses less digits than its factorization.

3775865345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5678024.

The product of its digits is 10584000, while the sum is 53.

The square root of 3775865345 is about 61448.0703114427. The cubic root of 3775865345 is about 1557.1800558386.

The spelling of 3775865345 in words is "three billion, seven hundred seventy-five million, eight hundred sixty-five thousand, three hundred forty-five".