686877482 has 4 divisors (see below), whose sum is σ = 1030316226. Its totient is φ = 343438740.

The previous prime is 686877481. The next prime is 686877511. The reversal of 686877482 is 284778686.

686877482 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 353778481 + 333099001 = 18809^2 + 18251^2 .

It is not an unprimeable number, because it can be changed into a prime (686877481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171719369 + ... + 171719372.

Almost surely, 2^686877482 is an apocalyptic number.

686877482 is a deficient number, since it is larger than the sum of its proper divisors (343438744).

686877482 is a wasteful number, since it uses less digits than its factorization.

686877482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343438743.

The product of its digits is 7225344, while the sum is 56.

The square root of 686877482 is about 26208.3475633242. The cubic root of 686877482 is about 882.3206148563.

It can be divided in two parts, 6868 and 77482, that multiplied together give a triangular number (532146376 = T₃₂₆₂₃).

The spelling of 686877482 in words is "six hundred eighty-six million, eight hundred seventy-seven thousand, four hundred eighty-two".