3977009605 has 8 divisors (see below), whose sum is σ = 5023591200. Its totient is φ = 3014154576.

The previous prime is 3977009593. The next prime is 3977009609. The reversal of 3977009605 is 5069007793.

3977009605 is digitally balanced in base 2, because in such base 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 3977009605 - 2⁵ = 3977009573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3977009609) 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, 20931535 + ... + 20931724.

It is an arithmetic number, because the mean of its divisors is an integer number (627948900).

Almost surely, 2^3977009605 is an apocalyptic number.

It is an amenable number.

3977009605 is a deficient number, since it is larger than the sum of its proper divisors (1046581595).

3977009605 is a wasteful number, since it uses less digits than its factorization.

3977009605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41863283.

The product of its (nonzero) digits is 357210, while the sum is 46.

The square root of 3977009605 is about 63063.5362551134. The cubic root of 3977009605 is about 1584.3539585663.

The spelling of 3977009605 in words is "three billion, nine hundred seventy-seven million, nine thousand, six hundred five".