4361878147 has 4 divisors (see below), whose sum is σ = 4758412536. Its totient is φ = 3965343760.

The previous prime is 4361878133. The next prime is 4361878159. The reversal of 4361878147 is 7418781634.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4361878147 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4361878147.

It is not an unprimeable number, because it can be changed into a prime (4361828147) 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, 198267178 + ... + 198267199.

It is an arithmetic number, because the mean of its divisors is an integer number (1189603134).

Almost surely, 2^4361878147 is an apocalyptic number.

4361878147 is a deficient number, since it is larger than the sum of its proper divisors (396534389).

4361878147 is a wasteful number, since it uses less digits than its factorization.

4361878147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396534388.

The product of its digits is 903168, while the sum is 49.

The square root of 4361878147 is about 66044.5164037106. The cubic root of 4361878147 is about 1633.8963766150.

The spelling of 4361878147 in words is "four billion, three hundred sixty-one million, eight hundred seventy-eight thousand, one hundred forty-seven".