686877048 has 96 divisors (see below), whose sum is σ = 2185550640. Its totient is φ = 192130560.

The previous prime is 686877043. The next prime is 686877049. The reversal of 686877048 is 840778686.

686877048 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 686876985 and 686877003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (686877043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23061 + ... + 43652.

Almost surely, 2^686877048 is an apocalyptic number.

It is an amenable number.

686877048 is an abundant number, since it is smaller than the sum of its proper divisors (1498673592).

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

686877048 is a wasteful number, since it uses less digits than its factorization.

686877048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66749 (or 66742 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 54.

The square root of 686877048 is about 26208.3392835181. The cubic root of 686877048 is about 882.3204290263.

The spelling of 686877048 in words is "six hundred eighty-six million, eight hundred seventy-seven thousand, forty-eight".