3800780677 has 2 divisors, whose sum is σ = 3800780678. Its totient is φ = 3800780676.

The previous prime is 3800780671. The next prime is 3800780681. The reversal of 3800780677 is 7760870083.

It is a happy number.

3800780677 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3800599201 + 181476 = 61649^2 + 426^2 .

It is a cyclic number.

It is not a de Polignac number, because 3800780677 - 2²³ = 3792392069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3800780671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1900390338 + 1900390339.

It is an arithmetic number, because the mean of its divisors is an integer number (1900390339).

Almost surely, 2^3800780677 is an apocalyptic number.

It is an amenable number.

3800780677 is a deficient number, since it is larger than the sum of its proper divisors (1).

3800780677 is an equidigital number, since it uses as much as digits as its factorization.

3800780677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 395136, while the sum is 46.

The square root of 3800780677 is about 61650.4718311223. The cubic root of 3800780677 is about 1560.5976064817.

The spelling of 3800780677 in words is "three billion, eight hundred million, seven hundred eighty thousand, six hundred seventy-seven".