9674651780 has 12 divisors (see below), whose sum is σ = 20316768780. Its totient is φ = 3869860704.

The previous prime is 9674651761. The next prime is 9674651843. The reversal of 9674651780 is 871564769.

It can be written as a sum of positive squares in 2 ways, for example, as 5600127556 + 4074524224 = 74834^2 + 63832^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241866275 + ... + 241866314.

It is an arithmetic number, because the mean of its divisors is an integer number (1693064065).

Almost surely, 2^9674651780 is an apocalyptic number.

It is an amenable number.

9674651780 is an abundant number, since it is smaller than the sum of its proper divisors (10642117000).

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

9674651780 is a wasteful number, since it uses less digits than its factorization.

9674651780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483732598 (or 483732596 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 53.

The square root of 9674651780 is about 98359.8077468638. The cubic root of 9674651780 is about 2130.8119029340.

The spelling of 9674651780 in words is "nine billion, six hundred seventy-four million, six hundred fifty-one thousand, seven hundred eighty".