8939750447 has 4 divisors (see below), whose sum is σ = 8943273960. Its totient is φ = 8936226936.

The previous prime is 8939750429. The next prime is 8939750459. The reversal of 8939750447 is 7440579398.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8939750447 - 2⁸ = 8939750191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8939750392 and 8939750401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8939750497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1757948 + ... + 1763025.

It is an arithmetic number, because the mean of its divisors is an integer number (2235818490).

Almost surely, 2^8939750447 is an apocalyptic number.

8939750447 is a deficient number, since it is larger than the sum of its proper divisors (3523513).

8939750447 is a wasteful number, since it uses less digits than its factorization.

8939750447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3523512.

The product of its (nonzero) digits is 7620480, while the sum is 56.

The square root of 8939750447 is about 94550.2535533353. The cubic root of 8939750447 is about 2075.4317926201.

The spelling of 8939750447 in words is "eight billion, nine hundred thirty-nine million, seven hundred fifty thousand, four hundred forty-seven".