706038811866 has 48 divisors (see below), whose sum is σ = 1573564480488. Its totient is φ = 228653337600.

The previous prime is 706038811861. The next prime is 706038811909. The reversal of 706038811866 is 668118830607.

It can be written as a sum of positive squares in 4 ways, for example, as 278546450625 + 427492361241 = 527775^2 + 653829^2 .

It is a super-2 number, since 2×706038811866² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (706038811861) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1806981 + ... + 2162696.

Almost surely, 2^706038811866 is an apocalyptic number.

706038811866 is an abundant number, since it is smaller than the sum of its proper divisors (867525668622).

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

706038811866 is a wasteful number, since it uses less digits than its factorization.

706038811866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3969967 (or 3969964 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 706038811866 in words is "seven hundred six billion, thirty-eight million, eight hundred eleven thousand, eight hundred sixty-six".