680172958 has 8 divisors (see below), whose sum is σ = 1080274752. Its totient is φ = 320081376.

The previous prime is 680172947. The next prime is 680172959. The reversal of 680172958 is 859271086.

680172958 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680172959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10002510 + ... + 10002577.

It is an arithmetic number, because the mean of its divisors is an integer number (135034344).

Almost surely, 2^680172958 is an apocalyptic number.

680172958 is a deficient number, since it is larger than the sum of its proper divisors (400101794).

680172958 is a wasteful number, since it uses less digits than its factorization.

680172958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20005106.

The product of its (nonzero) digits is 241920, while the sum is 46.

The square root of 680172958 is about 26080.1257282245. The cubic root of 680172958 is about 879.4404836866.

The spelling of 680172958 in words is "six hundred eighty million, one hundred seventy-two thousand, nine hundred fifty-eight".