680733511 has 8 divisors (see below), whose sum is σ = 701420720. Its totient is φ = 660166848.

The previous prime is 680733497. The next prime is 680733517. The reversal of 680733511 is 115337086.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 680733511 - 2⁵ = 680733479 is a prime.

It is a super-2 number, since 2×680733511² = 926796225996774242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680733517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18606 + ... + 41323.

It is an arithmetic number, because the mean of its divisors is an integer number (87677590).

Almost surely, 2^680733511 is an apocalyptic number.

680733511 is a deficient number, since it is larger than the sum of its proper divisors (20687209).

680733511 is a wasteful number, since it uses less digits than its factorization.

680733511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60273.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 680733511 is about 26090.8702614535. The cubic root of 680733511 is about 879.6820093322.

The spelling of 680733511 in words is "six hundred eighty million, seven hundred thirty-three thousand, five hundred eleven".