706060776666 has 128 divisors (see below), whose sum is σ = 1706842570752. Its totient is φ = 190439424000.

The previous prime is 706060776647. The next prime is 706060776667. The reversal of 706060776666 is 666677060607.

706060776666 is a modest number, since divided by 776666 gives 706060 as remainder.

It is not an unprimeable number, because it can be changed into a prime (706060776667) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 45956826 + ... + 45972186.

It is an arithmetic number, because the mean of its divisors is an integer number (13334707584).

Almost surely, 2^706060776666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 706060776666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (853421285376).

706060776666 is an abundant number, since it is smaller than the sum of its proper divisors (1000781794086).

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

706060776666 is a wasteful number, since it uses less digits than its factorization.

706060776666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16268.

The product of its (nonzero) digits is 16003008, while the sum is 57.

The spelling of 706060776666 in words is "seven hundred six billion, sixty million, seven hundred seventy-six thousand, six hundred sixty-six".