680530277015 has 4 divisors (see below), whose sum is σ = 816636332424. Its totient is φ = 544424221608.

The previous prime is 680530276997. The next prime is 680530277051. The reversal of 680530277015 is 510772035086.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 680530277015 - 2¹⁰ = 680530275991 is a prime.

It is a super-2 number, since 2×680530277015² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68053027697 + ... + 68053027706.

It is an arithmetic number, because the mean of its divisors is an integer number (204159083106).

Almost surely, 2^680530277015 is an apocalyptic number.

680530277015 is a deficient number, since it is larger than the sum of its proper divisors (136106055409).

680530277015 is a wasteful number, since it uses less digits than its factorization.

680530277015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136106055408.

The product of its (nonzero) digits is 352800, while the sum is 44.

The spelling of 680530277015 in words is "six hundred eighty billion, five hundred thirty million, two hundred seventy-seven thousand, fifteen".