680027536 has 10 divisors (see below), whose sum is σ = 1317553382. Its totient is φ = 340013760.

The previous prime is 680027533. The next prime is 680027561. The reversal of 680027536 is 635720086.

It can be written as a sum of positive squares in only one way, i.e., 416160000 + 263867536 = 20400^2 + 16244^2 .

It is a junction number, because it is equal to n+sod(n) for n = 680027495 and 680027504.

It is not an unprimeable number, because it can be changed into a prime (680027533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21250845 + ... + 21250876.

Almost surely, 2^680027536 is an apocalyptic number.

It is an amenable number.

680027536 is a deficient number, since it is larger than the sum of its proper divisors (637525846).

680027536 is a wasteful number, since it uses less digits than its factorization.

680027536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42501729 (or 42501723 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 680027536 is about 26077.3375941640. The cubic root of 680027536 is about 879.3778039873.

The spelling of 680027536 in words is "six hundred eighty million, twenty-seven thousand, five hundred thirty-six".