9774083220 has 96 divisors (see below), whose sum is σ = 31153489920. Its totient is φ = 2266450560.

The previous prime is 9774083203. The next prime is 9774083257. The reversal of 9774083220 is 223804779.

It is a congruent number.

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, 306760 + ... + 337119.

It is an arithmetic number, because the mean of its divisors is an integer number (324515520).

Almost surely, 2^9774083220 is an apocalyptic number.

It is an amenable number.

9774083220 is an abundant number, since it is smaller than the sum of its proper divisors (21379406700).

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

9774083220 is a wasteful number, since it uses less digits than its factorization.

9774083220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643925 (or 643923 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 9774083220 is about 98863.9632019676. The cubic root of 9774083220 is about 2138.0868583202.

Adding to 9774083220 its reverse (223804779), we get a palindrome (9997887999).

The spelling of 9774083220 in words is "nine billion, seven hundred seventy-four million, eighty-three thousand, two hundred twenty".