8220866796 has 24 divisors (see below), whose sum is σ = 21313358640. Its totient is φ = 2740288896.

The previous prime is 8220866779. The next prime is 8220866809. The reversal of 8220866796 is 6976680228.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38059461 + ... + 38059676.

It is an arithmetic number, because the mean of its divisors is an integer number (888056610).

Almost surely, 2^8220866796 is an apocalyptic number.

It is an amenable number.

8220866796 is an abundant number, since it is smaller than the sum of its proper divisors (13092491844).

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

8220866796 is a wasteful number, since it uses less digits than its factorization.

8220866796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76119150 (or 76119142 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The square root of 8220866796 is about 90668.9957813585. The cubic root of 8220866796 is about 2018.2387350108.

The spelling of 8220866796 in words is "eight billion, two hundred twenty million, eight hundred sixty-six thousand, seven hundred ninety-six".