680498278 has 8 divisors (see below), whose sum is σ = 1021440168. Its totient is φ = 340018224.

The previous prime is 680498257. The next prime is 680498303. The reversal of 680498278 is 872894086.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111751 + ... + 117682.

It is an arithmetic number, because the mean of its divisors is an integer number (127680021).

Almost surely, 2^680498278 is an apocalyptic number.

680498278 is a deficient number, since it is larger than the sum of its proper divisors (340941890).

680498278 is a wasteful number, since it uses less digits than its factorization.

680498278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230918.

The product of its (nonzero) digits is 1548288, while the sum is 52.

The square root of 680498278 is about 26086.3619157597. The cubic root of 680498278 is about 879.5806705680.

The spelling of 680498278 in words is "six hundred eighty million, four hundred ninety-eight thousand, two hundred seventy-eight".