827666047208 has 96 divisors (see below), whose sum is σ = 2095083610560. Its totient is φ = 297662077440.

The previous prime is 827666047181. The next prime is 827666047217. The reversal of 827666047208 is 802740666728.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3871085 + ... + 4079292.

It is an arithmetic number, because the mean of its divisors is an integer number (21823787610).

Almost surely, 2^827666047208 is an apocalyptic number.

827666047208 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

827666047208 is an abundant number, since it is smaller than the sum of its proper divisors (1267417563352).

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

827666047208 is a wasteful number, since it uses less digits than its factorization.

827666047208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7950427 (or 7950410 counting only the distinct ones).

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

The spelling of 827666047208 in words is "eight hundred twenty-seven billion, six hundred sixty-six million, forty-seven thousand, two hundred eight".