4847078939 has 4 divisors (see below), whose sum is σ = 4857548256. Its totient is φ = 4836609624.

The previous prime is 4847078927. The next prime is 4847078959. The reversal of 4847078939 is 9398707484.

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

It is a cyclic number.

It is not a de Polignac number, because 4847078939 - 2¹⁶ = 4847013403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4847078959) 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, 5233964 + ... + 5234889.

It is an arithmetic number, because the mean of its divisors is an integer number (1214387064).

Almost surely, 2^4847078939 is an apocalyptic number.

4847078939 is a deficient number, since it is larger than the sum of its proper divisors (10469317).

4847078939 is a wasteful number, since it uses less digits than its factorization.

4847078939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10469316.

The product of its (nonzero) digits is 12192768, while the sum is 59.

The square root of 4847078939 is about 69620.9662314450. The cubic root of 4847078939 is about 1692.3623858665.

The spelling of 4847078939 in words is "four billion, eight hundred forty-seven million, seventy-eight thousand, nine hundred thirty-nine".