3977514841 has 2 divisors, whose sum is σ = 3977514842. Its totient is φ = 3977514840.

The previous prime is 3977514833. The next prime is 3977514869. The reversal of 3977514841 is 1484157793.

3977514841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3366436441 + 611078400 = 58021^2 + 24720^2 .

It is a cyclic number.

It is not a de Polignac number, because 3977514841 - 2³ = 3977514833 is a prime.

It is not a weakly prime, because it can be changed into another prime (3977511841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1988757420 + 1988757421.

It is an arithmetic number, because the mean of its divisors is an integer number (1988757421).

Almost surely, 2^3977514841 is an apocalyptic number.

It is an amenable number.

3977514841 is a deficient number, since it is larger than the sum of its proper divisors (1).

3977514841 is an equidigital number, since it uses as much as digits as its factorization.

3977514841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 49.

The square root of 3977514841 is about 63067.5418975561. The cubic root of 3977514841 is about 1584.4210473961.

The spelling of 3977514841 in words is "three billion, nine hundred seventy-seven million, five hundred fourteen thousand, eight hundred forty-one".