8206767980 has 96 divisors (see below), whose sum is σ = 18082092672. Its totient is φ = 3125606400.

The previous prime is 8206767979. The next prime is 8206767997. The reversal of 8206767980 is 897676028.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12684017 + ... + 12684663.

It is an arithmetic number, because the mean of its divisors is an integer number (188355132).

Almost surely, 2^8206767980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8206767980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9041046336).

8206767980 is an abundant number, since it is smaller than the sum of its proper divisors (9875324692).

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

8206767980 is a wasteful number, since it uses less digits than its factorization.

8206767980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035 (or 1033 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 53.

The square root of 8206767980 is about 90591.2135916061. The cubic root of 8206767980 is about 2017.0843125931.

The spelling of 8206767980 in words is "eight billion, two hundred six million, seven hundred sixty-seven thousand, nine hundred eighty".