8378486650 has 24 divisors (see below), whose sum is σ = 15726967740. Its totient is φ = 3320645760.

The previous prime is 8378486549. The next prime is 8378486651. The reversal of 8378486650 is 566848738.

It can be written as a sum of positive squares in 6 ways, for example, as 5968953081 + 2409533569 = 77259^2 + 49087^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8378486591 and 8378486600.

It is not an unprimeable number, because it can be changed into a prime (8378486651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 763219 + ... + 774118.

Almost surely, 2^8378486650 is an apocalyptic number.

8378486650 is a deficient number, since it is larger than the sum of its proper divisors (7348481090).

8378486650 is a wasteful number, since it uses less digits than its factorization.

8378486650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537458 (or 1537453 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 55.

The square root of 8378486650 is about 91534.0737102856. The cubic root of 8378486650 is about 2031.0558259832.

The spelling of 8378486650 in words is "eight billion, three hundred seventy-eight million, four hundred eighty-six thousand, six hundred fifty".