849689767 has 12 divisors (see below), whose sum is σ = 905910336. Its totient is φ = 796785920.

The previous prime is 849689741. The next prime is 849689773. The reversal of 849689767 is 767986948.

It is not a de Polignac number, because 849689767 - 2²⁷ = 715472039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 849689699 and 849689708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849689717) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75978 + ... + 86440.

It is an arithmetic number, because the mean of its divisors is an integer number (75492528).

Almost surely, 2^849689767 is an apocalyptic number.

849689767 is a deficient number, since it is larger than the sum of its proper divisors (56220569).

849689767 is a wasteful number, since it uses less digits than its factorization.

849689767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10778 (or 10761 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 64.

The square root of 849689767 is about 29149.4385366168. The cubic root of 849689767 is about 947.1529785087.

The spelling of 849689767 in words is "eight hundred forty-nine million, six hundred eighty-nine thousand, seven hundred sixty-seven".