2945856827 has 4 divisors (see below), whose sum is σ = 2946058440. Its totient is φ = 2945655216.

The previous prime is 2945856817. The next prime is 2945856839. The reversal of 2945856827 is 7286585492.

It is a happy number.

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 2945856827 - 2¹⁶ = 2945791291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2945856817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77018 + ... + 108735.

It is an arithmetic number, because the mean of its divisors is an integer number (736514610).

Almost surely, 2^2945856827 is an apocalyptic number.

2945856827 is a deficient number, since it is larger than the sum of its proper divisors (201613).

2945856827 is a wasteful number, since it uses less digits than its factorization.

2945856827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201612.

The product of its digits is 9676800, while the sum is 56.

The square root of 2945856827 is about 54275.7480556464. The cubic root of 2945856827 is about 1433.5204030160.

The spelling of 2945856827 in words is "two billion, nine hundred forty-five million, eight hundred fifty-six thousand, eight hundred twenty-seven".