8117669712 has 40 divisors (see below), whose sum is σ = 20991804256. Its totient is φ = 2703159936.

The previous prime is 8117669689. The next prime is 8117669717. The reversal of 8117669712 is 2179667118.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8117669717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36958 + ... + 132669.

Almost surely, 2^8117669712 is an apocalyptic number.

It is an amenable number.

8117669712 is an abundant number, since it is smaller than the sum of its proper divisors (12874134544).

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

8117669712 is a wasteful number, since it uses less digits than its factorization.

8117669712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170635 (or 170629 counting only the distinct ones).

The product of its digits is 254016, while the sum is 48.

The square root of 8117669712 is about 90098.1115895333. Note that the first 3 decimals coincide. The cubic root of 8117669712 is about 2009.7581214349.

The spelling of 8117669712 in words is "eight billion, one hundred seventeen million, six hundred sixty-nine thousand, seven hundred twelve".