8973447446 has 4 divisors (see below), whose sum is σ = 13460171172. Its totient is φ = 4486723722.

The previous prime is 8973447361. The next prime is 8973447451. The reversal of 8973447446 is 6447443798.

8973447446 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×8973447446² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8973447391 and 8973447400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2243361860 + ... + 2243361863.

It is an arithmetic number, because the mean of its divisors is an integer number (3365042793).

Almost surely, 2^8973447446 is an apocalyptic number.

8973447446 is a deficient number, since it is larger than the sum of its proper divisors (4486723726).

8973447446 is a wasteful number, since it uses less digits than its factorization.

8973447446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4486723725.

The product of its digits is 16257024, while the sum is 56.

The square root of 8973447446 is about 94728.2821864727. The cubic root of 8973447446 is about 2078.0361955158.

The spelling of 8973447446 in words is "eight billion, nine hundred seventy-three million, four hundred forty-seven thousand, four hundred forty-six".