8201217070 has 8 divisors (see below), whose sum is σ = 14762190744. Its totient is φ = 3280486824.

The previous prime is 8201217053. The next prime is 8201217071. The reversal of 8201217070 is 707121028.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×8201217070² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8201217071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 410060844 + ... + 410060863.

It is an arithmetic number, because the mean of its divisors is an integer number (1845273843).

Almost surely, 2^8201217070 is an apocalyptic number.

8201217070 is a deficient number, since it is larger than the sum of its proper divisors (6560973674).

8201217070 is a wasteful number, since it uses less digits than its factorization.

8201217070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820121714.

The product of its (nonzero) digits is 1568, while the sum is 28.

The square root of 8201217070 is about 90560.5712769084. The cubic root of 8201217070 is about 2016.6294368587.

Adding to 8201217070 its reverse (707121028), we get a palindrome (8908338098).

The spelling of 8201217070 in words is "eight billion, two hundred one million, two hundred seventeen thousand, seventy".