680577378 has 32 divisors (see below), whose sum is σ = 1543012800. Its totient is φ = 198386496.

The previous prime is 680577367. The next prime is 680577407. The reversal of 680577378 is 873775086.

It is a self number, because there is not a number n which added to its sum of digits gives 680577378.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228133 + ... + 231096.

It is an arithmetic number, because the mean of its divisors is an integer number (48219150).

Almost surely, 2^680577378 is an apocalyptic number.

680577378 is an abundant number, since it is smaller than the sum of its proper divisors (862435422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

680577378 is a wasteful number, since it uses less digits than its factorization.

680577378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459266.

The product of its (nonzero) digits is 1975680, while the sum is 51.

The square root of 680577378 is about 26087.8779895951. The cubic root of 680577378 is about 879.6147495842.

The spelling of 680577378 in words is "six hundred eighty million, five hundred seventy-seven thousand, three hundred seventy-eight".