849495878 has 32 divisors (see below), whose sum is σ = 1593865728. Its totient is φ = 329889600.

The previous prime is 849495827. The next prime is 849495973. The reversal of 849495878 is 878594948.

It is a self number, because there is not a number n which added to its sum of digits gives 849495878.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39026 + ... + 56762.

It is an arithmetic number, because the mean of its divisors is an integer number (49808304).

Almost surely, 2^849495878 is an apocalyptic number.

849495878 is a deficient number, since it is larger than the sum of its proper divisors (744369850).

849495878 is a wasteful number, since it uses less digits than its factorization.

849495878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18068.

The product of its digits is 23224320, while the sum is 62.

The square root of 849495878 is about 29146.1125709759. The cubic root of 849495878 is about 947.0809300501.

The spelling of 849495878 in words is "eight hundred forty-nine million, four hundred ninety-five thousand, eight hundred seventy-eight".