686260086 has 16 divisors (see below), whose sum is σ = 1372939200. Its totient is φ = 228683528.

The previous prime is 686260067. The next prime is 686260087. The reversal of 686260086 is 680062686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (686260087) 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, 6325 + ... + 37583.

It is an arithmetic number, because the mean of its divisors is an integer number (85808700).

Almost surely, 2^686260086 is an apocalyptic number.

686260086 is an abundant number, since it is smaller than the sum of its proper divisors (686679114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

686260086 is a wasteful number, since it uses less digits than its factorization.

686260086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34923.

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 686260086 is about 26196.5663017121. The cubic root of 686260086 is about 882.0561792878.

It can be divided in two parts, 6862600 and 86, that added together give a palindrome (6862686).

The spelling of 686260086 in words is "six hundred eighty-six million, two hundred sixty thousand, eighty-six".