7882218012 has 12 divisors (see below), whose sum is σ = 18391842056. Its totient is φ = 2627406000.

The previous prime is 7882217999. The next prime is 7882218053. The reversal of 7882218012 is 2108122887.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328425739 + ... + 328425762.

Almost surely, 2^7882218012 is an apocalyptic number.

It is an amenable number.

7882218012 is an abundant number, since it is smaller than the sum of its proper divisors (10509624044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7882218012 is a wasteful number, since it uses less digits than its factorization.

7882218012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656851508 (or 656851506 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 39.

The square root of 7882218012 is about 88781.8563221112. The cubic root of 7882218012 is about 1990.1362676987.

The spelling of 7882218012 in words is "seven billion, eight hundred eighty-two million, two hundred eighteen thousand, twelve".