680197380 has 48 divisors (see below), whose sum is σ = 1951012224. Its totient is φ = 176961280.

The previous prime is 680197351. The next prime is 680197391. The reversal of 680197380 is 83791086.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 135792 + ... + 140711.

It is an arithmetic number, because the mean of its divisors is an integer number (40646088).

Almost surely, 2^680197380 is an apocalyptic number.

680197380 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

680197380 is an abundant number, since it is smaller than the sum of its proper divisors (1270814844).

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

680197380 is a wasteful number, since it uses less digits than its factorization.

680197380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276556 (or 276554 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 680197380 is about 26080.5939349548. The cubic root of 680197380 is about 879.4510091655.

The spelling of 680197380 in words is "six hundred eighty million, one hundred ninety-seven thousand, three hundred eighty".