684867470716 has 48 divisors (see below), whose sum is σ = 1429064945280. Its totient is φ = 283068054720.

The previous prime is 684867470699. The next prime is 684867470723. The reversal of 684867470716 is 617074768486.

It is a super-2 number, since 2×684867470716² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8896906 + ... + 8973553.

It is an arithmetic number, because the mean of its divisors is an integer number (29772186360).

Almost surely, 2^684867470716 is an apocalyptic number.

It is an amenable number.

684867470716 is an abundant number, since it is smaller than the sum of its proper divisors (744197474564).

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

684867470716 is a wasteful number, since it uses less digits than its factorization.

684867470716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17870554 (or 17870552 counting only the distinct ones).

The product of its (nonzero) digits is 75866112, while the sum is 64.

The spelling of 684867470716 in words is "six hundred eighty-four billion, eight hundred sixty-seven million, four hundred seventy thousand, seven hundred sixteen".