8355827649 has 16 divisors (see below), whose sum is σ = 12253393152. Its totient is φ = 5032641408.

The previous prime is 8355827633. The next prime is 8355827653. The reversal of 8355827649 is 9467285538.

It is not a de Polignac number, because 8355827649 - 2⁴ = 8355827633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8355822649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2277444 + ... + 2281109.

It is an arithmetic number, because the mean of its divisors is an integer number (765837072).

Almost surely, 2^8355827649 is an apocalyptic number.

It is an amenable number.

8355827649 is a deficient number, since it is larger than the sum of its proper divisors (3897565503).

8355827649 is a wasteful number, since it uses less digits than its factorization.

8355827649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4558616.

The product of its digits is 14515200, while the sum is 57.

The square root of 8355827649 is about 91410.2163272793. The cubic root of 8355827649 is about 2029.2232259051.

The spelling of 8355827649 in words is "eight billion, three hundred fifty-five million, eight hundred twenty-seven thousand, six hundred forty-nine".