680987143671 has 32 divisors (see below), whose sum is σ = 941180083200. Its totient is φ = 437456718720.

The previous prime is 680987143633. The next prime is 680987143747. The reversal of 680987143671 is 176341789086.

It is not a de Polignac number, because 680987143671 - 2³³ = 672397209079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680987143601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103067250 + ... + 103073856.

It is an arithmetic number, because the mean of its divisors is an integer number (29411877600).

Almost surely, 2^680987143671 is an apocalyptic number.

680987143671 is a deficient number, since it is larger than the sum of its proper divisors (260192939529).

680987143671 is a wasteful number, since it uses less digits than its factorization.

680987143671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8839.

The product of its (nonzero) digits is 12192768, while the sum is 60.

The spelling of 680987143671 in words is "six hundred eighty billion, nine hundred eighty-seven million, one hundred forty-three thousand, six hundred seventy-one".