668462335 has 4 divisors (see below), whose sum is σ = 802154808. Its totient is φ = 534769864.

The previous prime is 668462323. The next prime is 668462407. The reversal of 668462335 is 533264866.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 668462335 - 2⁵ = 668462303 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 668462291 and 668462300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66846229 + ... + 66846238.

It is an arithmetic number, because the mean of its divisors is an integer number (200538702).

Almost surely, 2^668462335 is an apocalyptic number.

668462335 is a deficient number, since it is larger than the sum of its proper divisors (133692473).

668462335 is a wasteful number, since it uses less digits than its factorization.

668462335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133692472.

The product of its digits is 622080, while the sum is 43.

The square root of 668462335 is about 25854.6385586803. The cubic root of 668462335 is about 874.3640919781.

The spelling of 668462335 in words is "six hundred sixty-eight million, four hundred sixty-two thousand, three hundred thirty-five".