708993866 has 32 divisors (see below), whose sum is σ = 1244661120. Its totient is φ = 296626176.

The previous prime is 708993863. The next prime is 708993869. The reversal of 708993866 is 668399807.

It is an interprime number because it is at equal distance from previous prime (708993863) and next prime (708993869).

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (708993863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102650 + ... + 109338.

It is an arithmetic number, because the mean of its divisors is an integer number (38895660).

Almost surely, 2^708993866 is an apocalyptic number.

708993866 is a deficient number, since it is larger than the sum of its proper divisors (535667254).

708993866 is a wasteful number, since it uses less digits than its factorization.

708993866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6878.

The product of its (nonzero) digits is 3919104, while the sum is 56.

The square root of 708993866 is about 26626.9387275368. The cubic root of 708993866 is about 891.6905401281.

The spelling of 708993866 in words is "seven hundred eight million, nine hundred ninety-three thousand, eight hundred sixty-six".