849579147 has 24 divisors (see below), whose sum is σ = 1256915088. Its totient is φ = 552801600.

The previous prime is 849579139. The next prime is 849579169. The reversal of 849579147 is 741975948.

849579147 is a `hidden beast` number, since 8 + 495 + 7 + 9 + 147 = 666.

It is not a de Polignac number, because 849579147 - 2³ = 849579139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 849579093 and 849579102.

It is not an unprimeable number, because it can be changed into a prime (849579187) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66013 + ... + 77825.

It is an arithmetic number, because the mean of its divisors is an integer number (52371462).

Almost surely, 2^849579147 is an apocalyptic number.

849579147 is a deficient number, since it is larger than the sum of its proper divisors (407335941).

849579147 is a wasteful number, since it uses less digits than its factorization.

849579147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12011 (or 12008 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 54.

The square root of 849579147 is about 29147.5410112071. The cubic root of 849579147 is about 947.1118738555. Note that the first 3 decimals are identical.

The spelling of 849579147 in words is "eight hundred forty-nine million, five hundred seventy-nine thousand, one hundred forty-seven".