849776889 has 8 divisors (see below), whose sum is σ = 1220192512. Its totient is φ = 522939600.

The previous prime is 849776869. The next prime is 849776897. The reversal of 849776889 is 988677948.

849776889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 849776889 - 2⁸ = 849776633 is a prime.

It is a super-2 number, since 2×849776889² = 1444241522157036642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (849776869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10894537 + ... + 10894614.

It is an arithmetic number, because the mean of its divisors is an integer number (152524064).

Almost surely, 2^849776889 is an apocalyptic number.

It is an amenable number.

849776889 is a deficient number, since it is larger than the sum of its proper divisors (370415623).

849776889 is a wasteful number, since it uses less digits than its factorization.

849776889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21789167.

The product of its digits is 48771072, while the sum is 66.

The square root of 849776889 is about 29150.9329010239. The cubic root of 849776889 is about 947.1853491632.

The spelling of 849776889 in words is "eight hundred forty-nine million, seven hundred seventy-six thousand, eight hundred eighty-nine".