3966087945 has 8 divisors (see below), whose sum is σ = 6345740736. Its totient is φ = 2115246896.

The previous prime is 3966087941. The next prime is 3966087967. The reversal of 3966087945 is 5497806693.

It is a happy number.

3966087945 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 3966087945 - 2² = 3966087941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3966087941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132202917 + ... + 132202946.

It is an arithmetic number, because the mean of its divisors is an integer number (793217592).

Almost surely, 2^3966087945 is an apocalyptic number.

It is an amenable number.

3966087945 is a deficient number, since it is larger than the sum of its proper divisors (2379652791).

3966087945 is a wasteful number, since it uses less digits than its factorization.

3966087945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264405871.

The product of its (nonzero) digits is 9797760, while the sum is 57.

The square root of 3966087945 is about 62976.8842115899. The cubic root of 3966087945 is about 1582.9023118052.

The spelling of 3966087945 in words is "three billion, nine hundred sixty-six million, eighty-seven thousand, nine hundred forty-five".