9779744946 has 64 divisors (see below), whose sum is σ = 20566960128. Its totient is φ = 3094299648.

The previous prime is 9779744927. The next prime is 9779745067. The reversal of 9779744946 is 6494479779.

It is a super-2 number, since 2×9779744946² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16949010 + ... + 16949586.

It is an arithmetic number, because the mean of its divisors is an integer number (321358752).

Almost surely, 2^9779744946 is an apocalyptic number.

9779744946 is an abundant number, since it is smaller than the sum of its proper divisors (10787215182).

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

9779744946 is a wasteful number, since it uses less digits than its factorization.

9779744946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335.

The product of its digits is 96018048, while the sum is 66.

The square root of 9779744946 is about 98892.5929784430. The cubic root of 9779744946 is about 2138.4996140087.

The spelling of 9779744946 in words is "nine billion, seven hundred seventy-nine million, seven hundred forty-four thousand, nine hundred forty-six".