9772450446 has 64 divisors (see below), whose sum is σ = 21654604800. Its totient is φ = 2915404800.

The previous prime is 9772450417. The next prime is 9772450451. The reversal of 9772450446 is 6440542779.

9772450446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 9772450395 and 9772450404.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1400406 + ... + 1407366.

It is an arithmetic number, because the mean of its divisors is an integer number (338353200).

Almost surely, 2^9772450446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9772450446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10827302400).

9772450446 is an abundant number, since it is smaller than the sum of its proper divisors (11882154354).

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

9772450446 is a wasteful number, since it uses less digits than its factorization.

9772450446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7305.

The product of its (nonzero) digits is 1693440, while the sum is 48.

The square root of 9772450446 is about 98855.7051767878. The cubic root of 9772450446 is about 2137.9677949098.

The spelling of 9772450446 in words is "nine billion, seven hundred seventy-two million, four hundred fifty thousand, four hundred forty-six".