686825275 has 12 divisors (see below), whose sum is σ = 851992344. Its totient is φ = 549248000.

The previous prime is 686825263. The next prime is 686825297. The reversal of 686825275 is 572528686.

It is not a de Polignac number, because 686825275 - 2¹³ = 686817083 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108960 + ... + 115090.

It is an arithmetic number, because the mean of its divisors is an integer number (70999362).

Almost surely, 2^686825275 is an apocalyptic number.

686825275 is a deficient number, since it is larger than the sum of its proper divisors (165167069).

686825275 is a wasteful number, since it uses less digits than its factorization.

686825275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10622 (or 10617 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 49.

The square root of 686825275 is about 26207.3515449387. The cubic root of 686825275 is about 882.2982603216.

The spelling of 686825275 in words is "six hundred eighty-six million, eight hundred twenty-five thousand, two hundred seventy-five".