680047477 has 8 divisors (see below), whose sum is σ = 705535200. Its totient is φ = 654695664.

The previous prime is 680047453. The next prime is 680047483. The reversal of 680047477 is 774740086.

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

It is a cyclic number.

It is not a de Polignac number, because 680047477 - 2¹⁹ = 679523189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680041477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23727 + ... + 43852.

It is an arithmetic number, because the mean of its divisors is an integer number (88191900).

Almost surely, 2^680047477 is an apocalyptic number.

It is an amenable number.

680047477 is a deficient number, since it is larger than the sum of its proper divisors (25487723).

680047477 is a wasteful number, since it uses less digits than its factorization.

680047477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67955.

The product of its (nonzero) digits is 263424, while the sum is 43.

The square root of 680047477 is about 26077.7199348409. The cubic root of 680047477 is about 879.3863994732.

The spelling of 680047477 in words is "six hundred eighty million, forty-seven thousand, four hundred seventy-seven".