4770979721 has 8 divisors (see below), whose sum is σ = 4792926600. Its totient is φ = 4749080832.

The previous prime is 4770979709. The next prime is 4770979727. The reversal of 4770979721 is 1279790774.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2037258496 + 2733721225 = 45136^2 + 52285^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4770979721 - 2¹⁰ = 4770978697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4770979727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195431 + ... + 218483.

It is an arithmetic number, because the mean of its divisors is an integer number (599115825).

Almost surely, 2^4770979721 is an apocalyptic number.

It is an amenable number.

4770979721 is a deficient number, since it is larger than the sum of its proper divisors (21946879).

4770979721 is a wasteful number, since it uses less digits than its factorization.

4770979721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23995.

The product of its (nonzero) digits is 1555848, while the sum is 53.

The square root of 4770979721 is about 69072.2789619685. The cubic root of 4770979721 is about 1683.4589215279.

The spelling of 4770979721 in words is "four billion, seven hundred seventy million, nine hundred seventy-nine thousand, seven hundred twenty-one".