849761863 has 4 divisors (see below), whose sum is σ = 877173568. Its totient is φ = 822350160.

The previous prime is 849761851. The next prime is 849761873. The reversal of 849761863 is 368167948.

It is a happy number.

849761863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 849761863 - 2⁵ = 849761831 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 849761863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849761873) 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, 13705806 + ... + 13705867.

It is an arithmetic number, because the mean of its divisors is an integer number (219293392).

Almost surely, 2^849761863 is an apocalyptic number.

849761863 is a deficient number, since it is larger than the sum of its proper divisors (27411705).

849761863 is a wasteful number, since it uses less digits than its factorization.

849761863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27411704.

The product of its digits is 1741824, while the sum is 52.

The square root of 849761863 is about 29150.6751722837. The cubic root of 849761863 is about 947.1797663288.

The spelling of 849761863 in words is "eight hundred forty-nine million, seven hundred sixty-one thousand, eight hundred sixty-three".