680459455 has 16 divisors (see below), whose sum is σ = 907732224. Its totient is φ = 486282240.

The previous prime is 680459447. The next prime is 680459497. The reversal of 680459455 is 554954086.

It is not a de Polignac number, because 680459455 - 2³ = 680459447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166834 + ... + 170863.

It is an arithmetic number, because the mean of its divisors is an integer number (56733264).

Almost surely, 2^680459455 is an apocalyptic number.

680459455 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

680459455 is a deficient number, since it is larger than the sum of its proper divisors (227272769).

680459455 is a wasteful number, since it uses less digits than its factorization.

680459455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337746.

The product of its (nonzero) digits is 864000, while the sum is 46.

The square root of 680459455 is about 26085.6177806852. The cubic root of 680459455 is about 879.5639433105.

The spelling of 680459455 in words is "six hundred eighty million, four hundred fifty-nine thousand, four hundred fifty-five".