686270276 has 6 divisors (see below), whose sum is σ = 1200972990. Its totient is φ = 343135136.

The previous prime is 686270257. The next prime is 686270293. The reversal of 686270276 is 672072686.

686270276 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 613850176 + 72420100 = 24776^2 + 8510^2 .

It is a super-2 number, since 2×686270276² = 941933783442232352, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85783781 + ... + 85783788.

It is an arithmetic number, because the mean of its divisors is an integer number (200162165).

Almost surely, 2^686270276 is an apocalyptic number.

It is an amenable number.

686270276 is a deficient number, since it is larger than the sum of its proper divisors (514702714).

686270276 is a wasteful number, since it uses less digits than its factorization.

686270276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171567573 (or 171567571 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 686270276 is about 26196.7607921285. The cubic root of 686270276 is about 882.0605450320.

The spelling of 686270276 in words is "six hundred eighty-six million, two hundred seventy thousand, two hundred seventy-six".