3977090017 has 4 divisors (see below), whose sum is σ = 4042288276. Its totient is φ = 3911891760.

The previous prime is 3977089999. The next prime is 3977090059. The reversal of 3977090017 is 7100907793.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 695060496 + 3282029521 = 26364^2 + 57289^2 .

It is a cyclic number.

It is not a de Polignac number, because 3977090017 - 2⁷ = 3977089889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3977090087) 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 3 ways as a sum of consecutive naturals, for example, 32599038 + ... + 32599159.

It is an arithmetic number, because the mean of its divisors is an integer number (1010572069).

Almost surely, 2^3977090017 is an apocalyptic number.

It is an amenable number.

3977090017 is a deficient number, since it is larger than the sum of its proper divisors (65198259).

3977090017 is an equidigital number, since it uses as much as digits as its factorization.

3977090017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65198258.

The product of its (nonzero) digits is 83349, while the sum is 43.

The square root of 3977090017 is about 63064.1737993926. The cubic root of 3977090017 is about 1584.3646366238.

The spelling of 3977090017 in words is "three billion, nine hundred seventy-seven million, ninety thousand, seventeen".