4056784247 has 4 divisors (see below), whose sum is σ = 4133327400. Its totient is φ = 3980241096.

The previous prime is 4056784243. The next prime is 4056784253. The reversal of 4056784247 is 7424876504.

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 4056784247 - 2² = 4056784243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4056784243) 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, 38271497 + ... + 38271602.

It is an arithmetic number, because the mean of its divisors is an integer number (1033331850).

Almost surely, 2^4056784247 is an apocalyptic number.

4056784247 is a deficient number, since it is larger than the sum of its proper divisors (76543153).

4056784247 is an equidigital number, since it uses as much as digits as its factorization.

4056784247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76543152.

The product of its (nonzero) digits is 1505280, while the sum is 47.

The square root of 4056784247 is about 63692.8900820178. The cubic root of 4056784247 is about 1594.8773990138.

The spelling of 4056784247 in words is "four billion, fifty-six million, seven hundred eighty-four thousand, two hundred forty-seven".