834963266987 has 4 divisors (see below), whose sum is σ = 834974776440. Its totient is φ = 834951757536.

The previous prime is 834963266953. The next prime is 834963266989. The reversal of 834963266987 is 789662369438.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-834963266987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 834963266987.

It is not an unprimeable number, because it can be changed into a prime (834963266989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5645213 + ... + 5791230.

It is an arithmetic number, because the mean of its divisors is an integer number (208743694110).

Almost surely, 2^834963266987 is an apocalyptic number.

834963266987 is a deficient number, since it is larger than the sum of its proper divisors (11509453).

834963266987 is a wasteful number, since it uses less digits than its factorization.

834963266987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11509452.

The product of its digits is 564350976, while the sum is 71.

The spelling of 834963266987 in words is "eight hundred thirty-four billion, nine hundred sixty-three million, two hundred sixty-six thousand, nine hundred eighty-seven".