667667850235 has 4 divisors (see below), whose sum is σ = 801201420288. Its totient is φ = 534134280184.

The previous prime is 667667850229. The next prime is 667667850247. The reversal of 667667850235 is 532058766766.

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 667667850235 - 2⁷ = 667667850107 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66766785019 + ... + 66766785028.

It is an arithmetic number, because the mean of its divisors is an integer number (200300355072).

Almost surely, 2^667667850235 is an apocalyptic number.

667667850235 is a deficient number, since it is larger than the sum of its proper divisors (133533570053).

667667850235 is a wasteful number, since it uses less digits than its factorization.

667667850235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133533570052.

The product of its (nonzero) digits is 76204800, while the sum is 61.

The spelling of 667667850235 in words is "six hundred sixty-seven billion, six hundred sixty-seven million, eight hundred fifty thousand, two hundred thirty-five".