979535680 has 28 divisors (see below), whose sum is σ = 2332520100. Its totient is φ = 391814144.

The previous prime is 979535677. The next prime is 979535693. The reversal of 979535680 is 86535979.

It can be written as a sum of positive squares in 2 ways, for example, as 315133504 + 664402176 = 17752^2 + 25776^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1530205 + ... + 1530844.

Almost surely, 2^979535680 is an apocalyptic number.

It is an amenable number.

979535680 is an abundant number, since it is smaller than the sum of its proper divisors (1352984420).

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

979535680 is a wasteful number, since it uses less digits than its factorization.

979535680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3061066 (or 3061056 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 52.

The square root of 979535680 is about 31297.5347271954. The cubic root of 979535680 is about 993.1314916029.

The spelling of 979535680 in words is "nine hundred seventy-nine million, five hundred thirty-five thousand, six hundred eighty".