680545179 has 8 divisors (see below), whose sum is σ = 1008215120. Its totient is φ = 453696768.

The previous prime is 680545169. The next prime is 680545193. The reversal of 680545179 is 971545086.

680545179 is a `hidden beast` number, since 6 + 80 + 54 + 517 + 9 = 666.

It is not a de Polignac number, because 680545179 - 2⁴ = 680545163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (680545169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12602662 + ... + 12602715.

It is an arithmetic number, because the mean of its divisors is an integer number (126026890).

Almost surely, 2^680545179 is an apocalyptic number.

680545179 is a deficient number, since it is larger than the sum of its proper divisors (327669941).

680545179 is a wasteful number, since it uses less digits than its factorization.

680545179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25205386 (or 25205380 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 680545179 is about 26087.2608565944. The cubic root of 680545179 is about 879.6008774599.

It can be divided in two parts, 6805 and 45179, that added together give a square (51984 = 228²).

The spelling of 680545179 in words is "six hundred eighty million, five hundred forty-five thousand, one hundred seventy-nine".