3945997027 has 8 divisors (see below), whose sum is σ = 4665218400. Its totient is φ = 3265652544.

The previous prime is 3945997009. The next prime is 3945997031. The reversal of 3945997027 is 7207995493.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3945997027 - 2¹¹ = 3945994979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3945997427) 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, 9719002 + ... + 9719407.

It is an arithmetic number, because the mean of its divisors is an integer number (583152300).

Almost surely, 2^3945997027 is an apocalyptic number.

3945997027 is a deficient number, since it is larger than the sum of its proper divisors (719221373).

3945997027 is a wasteful number, since it uses less digits than its factorization.

3945997027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19438445.

The product of its (nonzero) digits is 4286520, while the sum is 55.

The square root of 3945997027 is about 62817.1714342504. The cubic root of 3945997027 is about 1580.2249622265.

The spelling of 3945997027 in words is "three billion, nine hundred forty-five million, nine hundred ninety-seven thousand, twenty-seven".