3977447793 has 16 divisors (see below), whose sum is σ = 5941742016. Its totient is φ = 2345423040.

The previous prime is 3977447779. The next prime is 3977447797.

3977447793 is nontrivially palindromic in base 10.

3977447793 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3977447793 - 2¹⁶ = 3977382257 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3977447797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1627546 + ... + 1629987.

It is an arithmetic number, because the mean of its divisors is an integer number (371358876).

Almost surely, 2^3977447793 is an apocalyptic number.

3977447793 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

3977447793 is a deficient number, since it is larger than the sum of its proper divisors (1964294223).

3977447793 is a wasteful number, since it uses less digits than its factorization.

3977447793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3257584.

The product of its digits is 28005264, while the sum is 60.

The square root of 3977447793 is about 63067.0103382109. The cubic root of 3977447793 is about 1584.4121446127.

The spelling of 3977447793 in words is "three billion, nine hundred seventy-seven million, four hundred forty-seven thousand, seven hundred ninety-three".