8649427794 has 32 divisors (see below), whose sum is σ = 20629693440. Its totient is φ = 2363818512.

The previous prime is 8649427793. The next prime is 8649427811. The reversal of 8649427794 is 4977249468.

It is not an unprimeable number, because it can be changed into a prime (8649427793) 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, 4475964 + ... + 4477895.

It is an arithmetic number, because the mean of its divisors is an integer number (644677920).

Almost surely, 2^8649427794 is an apocalyptic number.

8649427794 is an abundant number, since it is smaller than the sum of its proper divisors (11980265646).

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

8649427794 is a wasteful number, since it uses less digits than its factorization.

8649427794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8953894.

The product of its digits is 24385536, while the sum is 60.

The square root of 8649427794 is about 93002.2999393026. The cubic root of 8649427794 is about 2052.7172212331.

The spelling of 8649427794 in words is "eight billion, six hundred forty-nine million, four hundred twenty-seven thousand, seven hundred ninety-four".