8389319950 has 24 divisors (see below), whose sum is σ = 17022693960. Its totient is φ = 3050661600.

The previous prime is 8389319941. The next prime is 8389319957. The reversal of 8389319950 is 599139838.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a junction number, because it is equal to n+sod(n) for n = 8389319891 and 8389319900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8389319957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7626105 + ... + 7627204.

It is an arithmetic number, because the mean of its divisors is an integer number (709278915).

Almost surely, 2^8389319950 is an apocalyptic number.

8389319950 is an abundant number, since it is smaller than the sum of its proper divisors (8633374010).

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

8389319950 is a wasteful number, since it uses less digits than its factorization.

8389319950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15253332 (or 15253327 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 55.

The square root of 8389319950 is about 91593.2309180105. The cubic root of 8389319950 is about 2031.9308273038.

The spelling of 8389319950 in words is "eight billion, three hundred eighty-nine million, three hundred nineteen thousand, nine hundred fifty".