3800780377 has 4 divisors (see below), whose sum is σ = 3801080500. Its totient is φ = 3800480256.

The previous prime is 3800780371. The next prime is 3800780411. The reversal of 3800780377 is 7730870083.

It is a happy number.

3800780377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 441882441 + 3358897936 = 21021^2 + 57956^2 .

It is a cyclic number.

It is not a de Polignac number, because 3800780377 - 2²³ = 3792391769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3800780371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130188 + ... + 156685.

It is an arithmetic number, because the mean of its divisors is an integer number (950270125).

Almost surely, 2^3800780377 is an apocalyptic number.

It is an amenable number.

3800780377 is a deficient number, since it is larger than the sum of its proper divisors (300123).

3800780377 is a wasteful number, since it uses less digits than its factorization.

3800780377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300122.

The product of its (nonzero) digits is 197568, while the sum is 43.

The square root of 3800780377 is about 61650.4693980508. The cubic root of 3800780377 is about 1560.5975654218.

The spelling of 3800780377 in words is "three billion, eight hundred million, seven hundred eighty thousand, three hundred seventy-seven".