979561472 has 44 divisors (see below), whose sum is σ = 1962663600. Its totient is φ = 488656896.

The previous prime is 979561459. The next prime is 979561477. The reversal of 979561472 is 274165979.

It is a self number, because there is not a number n which added to its sum of digits gives 979561472.

It is not an unprimeable number, because it can be changed into a prime (979561477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 612578 + ... + 614174.

Almost surely, 2^979561472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 979561472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (981331800).

979561472 is an abundant number, since it is smaller than the sum of its proper divisors (983102128).

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

979561472 is a wasteful number, since it uses less digits than its factorization.

979561472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2216 (or 2198 counting only the distinct ones).

The product of its digits is 952560, while the sum is 50.

The square root of 979561472 is about 31297.9467697164. The cubic root of 979561472 is about 993.1402081895.

The spelling of 979561472 in words is "nine hundred seventy-nine million, five hundred sixty-one thousand, four hundred seventy-two".