686880130 has 16 divisors (see below), whose sum is σ = 1256653944. Its totient is φ = 270247680.

The previous prime is 686880107. The next prime is 686880157. The reversal of 686880130 is 31088686.

686880130 is digitally balanced in base 6, 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 4 ways, for example, as 462809169 + 224070961 = 21513^2 + 14969^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 562407 + ... + 563626.

Almost surely, 2^686880130 is an apocalyptic number.

686880130 is a deficient number, since it is larger than the sum of its proper divisors (569773814).

686880130 is a wasteful number, since it uses less digits than its factorization.

686880130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126101.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 686880130 is about 26208.3980815310. The cubic root of 686880130 is about 882.3217486742.

The spelling of 686880130 in words is "six hundred eighty-six million, eight hundred eighty thousand, one hundred thirty".