979707280 has 40 divisors (see below), whose sum is σ = 2411812152. Its totient is φ = 368830464.

The previous prime is 979707277. The next prime is 979707293. The reversal of 979707280 is 82707979.

It can be written as a sum of positive squares in 4 ways, for example, as 96904336 + 882802944 = 9844^2 + 29712^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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 7 ways as a sum of consecutive naturals, for example, 358827 + ... + 361546.

Almost surely, 2^979707280 is an apocalyptic number.

It is an amenable number.

979707280 is an abundant number, since it is smaller than the sum of its proper divisors (1432104872).

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

979707280 is a wasteful number, since it uses less digits than its factorization.

979707280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720403 (or 720397 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 49.

The square root of 979707280 is about 31300.2760371215. The cubic root of 979707280 is about 993.1894821443.

The spelling of 979707280 in words is "nine hundred seventy-nine million, seven hundred seven thousand, two hundred eighty".