680547181745086 has 4 divisors (see below), whose sum is σ = 1020820772617632. Its totient is φ = 340273590872542.

The previous prime is 680547181745059. The next prime is 680547181745153.

It is a happy number.

680547181745086 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170136795436270 + ... + 170136795436273.

It is an arithmetic number, because the mean of its divisors is an integer number (255205193154408).

Almost surely, 2^{680547181745086} is an apocalyptic number.

680547181745086 is a deficient number, since it is larger than the sum of its proper divisors (340273590872546).

680547181745086 is a wasteful number, since it uses less digits than its factorization.

680547181745086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340273590872545.

The product of its (nonzero) digits is 361267200, while the sum is 70.

The spelling of 680547181745086 in words is "six hundred eighty trillion, five hundred forty-seven billion, one hundred eighty-one million, seven hundred forty-five thousand, eighty-six".