3977350209 has 80 divisors (see below), whose sum is σ = 7213536000. Its totient is φ = 2131992576.

The previous prime is 3977350183. The next prime is 3977350213. The reversal of 3977350209 is 9020537793.

3977350209 is a `hidden beast` number, since 3 + 97 + 7 + 350 + 209 = 666.

It is not a de Polignac number, because 3977350209 - 2¹⁶ = 3977284673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3977350219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4327452 + ... + 4328370.

It is an arithmetic number, because the mean of its divisors is an integer number (90169200).

Almost surely, 2^3977350209 is an apocalyptic number.

It is an amenable number.

3977350209 is a deficient number, since it is larger than the sum of its proper divisors (3236185791).

3977350209 is a wasteful number, since it uses less digits than its factorization.

3977350209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404 (or 1395 counting only the distinct ones).

The product of its (nonzero) digits is 357210, while the sum is 45.

The square root of 3977350209 is about 63066.2366801762. The cubic root of 3977350209 is about 1584.3991870122.

The spelling of 3977350209 in words is "three billion, nine hundred seventy-seven million, three hundred fifty thousand, two hundred nine".