2520784847 has 4 divisors (see below), whose sum is σ = 2880896976. Its totient is φ = 2160672720.

The previous prime is 2520784823. The next prime is 2520784879. The reversal of 2520784847 is 7484870252.

It is a happy number.

2520784847 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 is a cyclic number.

It is not a de Polignac number, because 2520784847 - 2¹⁸ = 2520522703 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 (2520784897) 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, 180056054 + ... + 180056067.

It is an arithmetic number, because the mean of its divisors is an integer number (720224244).

Almost surely, 2^2520784847 is an apocalyptic number.

2520784847 is a deficient number, since it is larger than the sum of its proper divisors (360112129).

2520784847 is an equidigital number, since it uses as much as digits as its factorization.

2520784847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360112128.

The product of its (nonzero) digits is 1003520, while the sum is 47.

The square root of 2520784847 is about 50207.4182467093. The cubic root of 2520784847 is about 1360.9596828993.

The spelling of 2520784847 in words is "two billion, five hundred twenty million, seven hundred eighty-four thousand, eight hundred forty-seven".