9777633446 has 32 divisors (see below), whose sum is σ = 17389866240. Its totient is φ = 4034199456.

The previous prime is 9777633443. The next prime is 9777633473. The reversal of 9777633446 is 6443367779.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9777633391 and 9777633400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9777633443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106181 + ... + 175583.

It is an arithmetic number, because the mean of its divisors is an integer number (543433320).

Almost surely, 2^9777633446 is an apocalyptic number.

9777633446 is a deficient number, since it is larger than the sum of its proper divisors (7612232794).

9777633446 is a wasteful number, since it uses less digits than its factorization.

9777633446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69788.

The product of its digits is 16003008, while the sum is 56.

The square root of 9777633446 is about 98881.9166784301. The cubic root of 9777633446 is about 2138.3456983743.

The spelling of 9777633446 in words is "nine billion, seven hundred seventy-seven million, six hundred thirty-three thousand, four hundred forty-six".