707666663 has 8 divisors (see below), whose sum is σ = 783523200. Its totient is φ = 633730680.

The previous prime is 707666657. The next prime is 707666693. The reversal of 707666663 is 366666707.

707666663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 707666663 - 2¹⁰ = 707665639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (707666693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479363 + ... + 480836.

It is an arithmetic number, because the mean of its divisors is an integer number (97940400).

Almost surely, 2^707666663 is an apocalyptic number.

707666663 is a deficient number, since it is larger than the sum of its proper divisors (75856537).

707666663 is a wasteful number, since it uses less digits than its factorization.

707666663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960277.

The product of its (nonzero) digits is 1143072, while the sum is 47.

The square root of 707666663 is about 26602.0048680546. The cubic root of 707666663 is about 891.1337917355.

The spelling of 707666663 in words is "seven hundred seven million, six hundred sixty-six thousand, six hundred sixty-three".