2886644947 has 16 divisors (see below), whose sum is σ = 3025747872. Its totient is φ = 2750941440.

The previous prime is 2886644927. The next prime is 2886644963. The reversal of 2886644947 is 7494466882.

2886644947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2886644947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2886644891 and 2886644900.

It is not an unprimeable number, because it can be changed into a prime (2886644927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1836672 + ... + 1838242.

It is an arithmetic number, because the mean of its divisors is an integer number (189109242).

Almost surely, 2^2886644947 is an apocalyptic number.

2886644947 is a deficient number, since it is larger than the sum of its proper divisors (139102925).

2886644947 is a wasteful number, since it uses less digits than its factorization.

2886644947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2598.

The product of its digits is 18579456, while the sum is 58.

The square root of 2886644947 is about 53727.5064282719. The cubic root of 2886644947 is about 1423.8507112871.

The spelling of 2886644947 in words is "two billion, eight hundred eighty-six million, six hundred forty-four thousand, nine hundred forty-seven".