680635354 has 16 divisors (see below), whose sum is σ = 1168363008. Its totient is φ = 291310992.

The previous prime is 680635339. The next prime is 680635357. The reversal of 680635354 is 453536086.

680635354 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×680635354² = 926528970229410632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (680635357) 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, 21514 + ... + 42709.

It is an arithmetic number, because the mean of its divisors is an integer number (73022688).

Almost surely, 2^680635354 is an apocalyptic number.

680635354 is a deficient number, since it is larger than the sum of its proper divisors (487727654).

680635354 is a wasteful number, since it uses less digits than its factorization.

680635354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64989.

The product of its (nonzero) digits is 259200, while the sum is 40.

The square root of 680635354 is about 26088.9891333490. The cubic root of 680635354 is about 879.6397259735.

The spelling of 680635354 in words is "six hundred eighty million, six hundred thirty-five thousand, three hundred fifty-four".