686012345027 has 8 divisors (see below), whose sum is σ = 701263790400. Its totient is φ = 670788209664.

The previous prime is 686012345021. The next prime is 686012345059. The reversal of 686012345027 is 720543210686.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 686012345027 - 2¹⁸ = 686012082883 is a prime.

It is a super-2 number, since 2×686012345027² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (686012345021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6776702 + ... + 6877187.

It is an arithmetic number, because the mean of its divisors is an integer number (87657973800).

Almost surely, 2^686012345027 is an apocalyptic number.

686012345027 is a deficient number, since it is larger than the sum of its proper divisors (15251445373).

686012345027 is a wasteful number, since it uses less digits than its factorization.

686012345027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13655005.

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 686012345027 in words is "six hundred eighty-six billion, twelve million, three hundred forty-five thousand, twenty-seven".