849775650 has 48 divisors (see below), whose sum is σ = 2119284000. Its totient is φ = 225333760.

The previous prime is 849775637. The next prime is 849775681. The reversal of 849775650 is 56577948.

It is a junction number, because it is equal to n+sod(n) for n = 849775593 and 849775602.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11026 + ... + 42674.

It is an arithmetic number, because the mean of its divisors is an integer number (44151750).

Almost surely, 2^849775650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 849775650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1059642000).

849775650 is an abundant number, since it is smaller than the sum of its proper divisors (1269508350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

849775650 is a wasteful number, since it uses less digits than its factorization.

849775650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31843 (or 31838 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 51.

The square root of 849775650 is about 29150.9116495522. The cubic root of 849775650 is about 947.1848888215.

The spelling of 849775650 in words is "eight hundred forty-nine million, seven hundred seventy-five thousand, six hundred fifty".