849774905 has 48 divisors (see below), whose sum is σ = 1303102080. Its totient is φ = 527966208.

The previous prime is 849774889. The next prime is 849774911. The reversal of 849774905 is 509477948.

It is not a de Polignac number, because 849774905 - 2⁴ = 849774889 is a prime.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 103097 + ... + 111033.

It is an arithmetic number, because the mean of its divisors is an integer number (27147960).

Almost surely, 2^849774905 is an apocalyptic number.

It is an amenable number.

849774905 is a deficient number, since it is larger than the sum of its proper divisors (453327175).

849774905 is a wasteful number, since it uses less digits than its factorization.

849774905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7998 (or 7991 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 53.

The square root of 849774905 is about 29150.8988712184. The cubic root of 849774905 is about 947.1846120218.

The spelling of 849774905 in words is "eight hundred forty-nine million, seven hundred seventy-four thousand, nine hundred five".