4077814385 has 4 divisors (see below), whose sum is σ = 4893377268. Its totient is φ = 3262251504.

The previous prime is 4077814373. The next prime is 4077814387. The reversal of 4077814385 is 5834187704.

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 609546721 + 3468267664 = 24689^2 + 58892^2 .

It is a cyclic number.

It is not a de Polignac number, because 4077814385 - 2²⁰ = 4076765809 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4077814387) 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, 407781434 + ... + 407781443.

It is an arithmetic number, because the mean of its divisors is an integer number (1223344317).

Almost surely, 2^4077814385 is an apocalyptic number.

It is an amenable number.

4077814385 is a deficient number, since it is larger than the sum of its proper divisors (815562883).

4077814385 is an equidigital number, since it uses as much as digits as its factorization.

4077814385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815562882.

The product of its (nonzero) digits is 752640, while the sum is 47.

The square root of 4077814385 is about 63857.7668338003. The cubic root of 4077814385 is about 1597.6285683115.

The spelling of 4077814385 in words is "four billion, seventy-seven million, eight hundred fourteen thousand, three hundred eighty-five".