978482709 has 6 divisors (see below), whose sum is σ = 1413363926. Its totient is φ = 652321800.

The previous prime is 978482683. The next prime is 978482711. The reversal of 978482709 is 907284879.

978482709 is a `hidden beast` number, since 97 + 8 + 482 + 70 + 9 = 666.

978482709 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 821682225 + 156800484 = 28665^2 + 12522^2 .

It is not a de Polignac number, because 978482709 - 2⁵ = 978482677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (978482789) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54360142 + ... + 54360159.

Almost surely, 2^978482709 is an apocalyptic number.

It is an amenable number.

978482709 is a deficient number, since it is larger than the sum of its proper divisors (434881217).

978482709 is a wasteful number, since it uses less digits than its factorization.

978482709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108720307 (or 108720304 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The square root of 978482709 is about 31280.7082560482. The cubic root of 978482709 is about 992.7755019854.

The spelling of 978482709 in words is "nine hundred seventy-eight million, four hundred eighty-two thousand, seven hundred nine".