7866804022 has 32 divisors (see below), whose sum is σ = 14773570560. Its totient is φ = 3052150080.

The previous prime is 7866804017. The next prime is 7866804091. The reversal of 7866804022 is 2204086687.

It is a self number, because there is not a number n which added to its sum of digits gives 7866804022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70063 + ... + 143674.

It is an arithmetic number, because the mean of its divisors is an integer number (461674080).

Almost surely, 2^7866804022 is an apocalyptic number.

7866804022 is a deficient number, since it is larger than the sum of its proper divisors (6906766538).

7866804022 is a wasteful number, since it uses less digits than its factorization.

7866804022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213996.

The product of its (nonzero) digits is 258048, while the sum is 43.

The square root of 7866804022 is about 88695.0056203843. The cubic root of 7866804022 is about 1988.8381576896.

The spelling of 7866804022 in words is "seven billion, eight hundred sixty-six million, eight hundred four thousand, twenty-two".