806780554668 has 96 divisors (see below), whose sum is σ = 2282654384640. Its totient is φ = 244387800000.

The previous prime is 806780554663. The next prime is 806780554693. The reversal of 806780554668 is 866455087608.

806780554668 is a `hidden beast` number, since 8 + 0 + 6 + 7 + 80 + 5 + 546 + 6 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (806780554661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3095418 + ... + 3345918.

It is an arithmetic number, because the mean of its divisors is an integer number (23777649840).

Almost surely, 2^806780554668 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 806780554668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1141327192320).

806780554668 is an abundant number, since it is smaller than the sum of its proper divisors (1475873829972).

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

806780554668 is a wasteful number, since it uses less digits than its factorization.

806780554668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253236 (or 253228 counting only the distinct ones).

The product of its (nonzero) digits is 77414400, while the sum is 63.

The spelling of 806780554668 in words is "eight hundred six billion, seven hundred eighty million, five hundred fifty-four thousand, six hundred sixty-eight".