680228317235 has 4 divisors (see below), whose sum is σ = 816273980688. Its totient is φ = 544182653784.

The previous prime is 680228317231. The next prime is 680228317253. The reversal of 680228317235 is 532713822086.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 532713822086 = 2 ⋅266356911043.

It is a cyclic number.

It is not a de Polignac number, because 680228317235 - 2² = 680228317231 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 680228317235.

It is not an unprimeable number, because it can be changed into a prime (680228317231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68022831719 + ... + 68022831728.

It is an arithmetic number, because the mean of its divisors is an integer number (204068495172).

Almost surely, 2^680228317235 is an apocalyptic number.

680228317235 is a deficient number, since it is larger than the sum of its proper divisors (136045663453).

680228317235 is a wasteful number, since it uses less digits than its factorization.

680228317235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136045663452.

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 680228317235 in words is "six hundred eighty billion, two hundred twenty-eight million, three hundred seventeen thousand, two hundred thirty-five".