6866456280 has 64 divisors (see below), whose sum is σ = 20665294560. Its totient is φ = 1825195008.

The previous prime is 6866456209. The next prime is 6866456293. The reversal of 6866456280 is 826546686.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53847 + ... + 128966.

Almost surely, 2^6866456280 is an apocalyptic number.

6866456280 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6866456280 is an abundant number, since it is smaller than the sum of its proper divisors (13798838280).

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

6866456280 is a wasteful number, since it uses less digits than its factorization.

6866456280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183140 (or 183136 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 51.

The square root of 6866456280 is about 82864.0831723854. The cubic root of 6866456280 is about 1900.6882345128.

The spelling of 6866456280 in words is "six billion, eight hundred sixty-six million, four hundred fifty-six thousand, two hundred eighty".