686061514 has 8 divisors (see below), whose sum is σ = 1029212388. Its totient is φ = 342990720.

The previous prime is 686061461. The next prime is 686061529. The reversal of 686061514 is 415160686.

It can be written as a sum of positive squares in 2 ways, for example, as 681993225 + 4068289 = 26115^2 + 2017^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11034 + ... + 38650.

Almost surely, 2^686061514 is an apocalyptic number.

686061514 is a deficient number, since it is larger than the sum of its proper divisors (343150874).

686061514 is a wasteful number, since it uses less digits than its factorization.

686061514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40040.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 686061514 is about 26192.7759888103. The cubic root of 686061514 is about 881.9710956295.

The spelling of 686061514 in words is "six hundred eighty-six million, sixty-one thousand, five hundred fourteen".