8399927650 has 12 divisors (see below), whose sum is σ = 15623865522. Its totient is φ = 3359971040.

The previous prime is 8399927639. The next prime is 8399927729. The reversal of 8399927650 is 567299938.

It can be written as a sum of positive squares in 3 ways, for example, as 6839124601 + 1560803049 = 82699^2 + 39507^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 83999227 + ... + 83999326.

Almost surely, 2^8399927650 is an apocalyptic number.

8399927650 is a deficient number, since it is larger than the sum of its proper divisors (7223937872).

8399927650 is a wasteful number, since it uses less digits than its factorization.

8399927650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167998565 (or 167998560 counting only the distinct ones).

The product of its (nonzero) digits is 7348320, while the sum is 58.

The square root of 8399927650 is about 91651.1191966579. The cubic root of 8399927650 is about 2032.7868774005.

The spelling of 8399927650 in words is "eight billion, three hundred ninety-nine million, nine hundred twenty-seven thousand, six hundred fifty".