680767478 has 8 divisors (see below), whose sum is σ = 1065549168. Its totient is φ = 325584424.

The previous prime is 680767463. The next prime is 680767481. The reversal of 680767478 is 874767086.

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, 7399601 + ... + 7399692.

It is an arithmetic number, because the mean of its divisors is an integer number (133193646).

Almost surely, 2^680767478 is an apocalyptic number.

680767478 is a deficient number, since it is larger than the sum of its proper divisors (384781690).

680767478 is a wasteful number, since it uses less digits than its factorization.

680767478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14799318.

The product of its (nonzero) digits is 3161088, while the sum is 53.

The square root of 680767478 is about 26091.5211898425. The cubic root of 680767478 is about 879.6966404427.

The spelling of 680767478 in words is "six hundred eighty million, seven hundred sixty-seven thousand, four hundred seventy-eight".