680470087 has 8 divisors (see below), whose sum is σ = 742550400. Its totient is φ = 618426360.

The previous prime is 680470051. The next prime is 680470093. The reversal of 680470087 is 780074086.

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 680470087 - 2¹¹ = 680468039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680470097) 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, 42414 + ... + 56212.

It is an arithmetic number, because the mean of its divisors is an integer number (92818800).

Almost surely, 2^680470087 is an apocalyptic number.

680470087 is a deficient number, since it is larger than the sum of its proper divisors (62080313).

680470087 is a wasteful number, since it uses less digits than its factorization.

680470087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18293.

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 680470087 is about 26085.8215703474. The cubic root of 680470087 is about 879.5685242717.

The spelling of 680470087 in words is "six hundred eighty million, four hundred seventy thousand, eighty-seven".