686286472700 has 18 divisors (see below), whose sum is σ = 1489241645976. Its totient is φ = 274514589040.

The previous prime is 686286472691. The next prime is 686286472727. The reversal of 686286472700 is 7274682686.

It is a super-2 number, since 2×686286472700² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3431432264 + ... + 3431432463.

Almost surely, 2^686286472700 is an apocalyptic number.

It is an amenable number.

686286472700 is an abundant number, since it is smaller than the sum of its proper divisors (802955173276).

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

686286472700 is a wasteful number, since it uses less digits than its factorization.

686286472700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6862864741 (or 6862864734 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 56.

The spelling of 686286472700 in words is "six hundred eighty-six billion, two hundred eighty-six million, four hundred seventy-two thousand, seven hundred".